# Title:   Clustering of Local Group distances: publication bias or
#          correlated measurements? V. Galactic rotation constants
# Authors: Richard de Grijs, Giuseppe Bono
# Journal: ApJS, in press (arXiv:1709.02501)
# Table:   theta0byyear.html
#
# updated 16/01/2018
#
MM YYYY    Θ0     ±    R0    References; notes

04 1927   272     0.  6     # Oort 1927, BAN, 3, 275 and BAN, 4, 79; Galactic field stars
00 1936   275     0. 10     # Plaskett & Pearce 1936, PAAS, 8, R19; O-B7 stars
07 1936   278     0. 10     # Bucerius 1936, AN, 259, 365; Galactic mass modeling
12 1938   195    43   9.83  # Camm 1938, MNRAS, 99, 71; PNe
09 1949   253     8  10     # Fricke 1949, AN, 277, 241; ~600 disk stars, R0 not explicitly mentioned
11 1949   276    21  10     # Fricke 1949, AN, 278, 49; 60 high-velocity stars in the solar neighborhood, R0 not explicitly mentioned
08 1965   250     0. 10     # IAU recommendation, based on Pecker 1964, Trans IAU, 12B, 315
12 1967   221    46   8.5   # Fricke 1967, AJ, 72, 1368; PMs of 512 bright stars, R0(A-B), FK4
12 1967   230    51   8.5   # Fricke 1967, AJ, 72, 1368; PMs of 512 bright stars, R0(A-B), N30
06 1972   254     0.  8     # Toomre 1972, QJRAS, 13, 241; HI, A = 15.9 km s-1 kpc-1 
06 1972   198    10   8     # Toomre 1972, QJRAS, 13, 266; Magellanic Cloud orbits
00 1974   275    20  10     # Isobe 1974, A&A, 36, 327; 656 high-velocity stars from Eggen (1964)
07 1974   228    24   8.9   # Cruz-Gonzalez 1974, MNRAS, 168, 41; stars < 25 pc
08 1975   215    15   9     # Woltjer 1975, A&A, 42, 109; GC kinematics, 200-225 km s-1
00 1976   214     8   8.0   # Einasto et al. 1976, Stars and galaxies from observational points of view, p. 398; Galactic stellar populations
10 1977   294    42  10     # Lynden-Bell & Lin 1977, MNRAS, 181, 37; Solar motion w.r.t. Local Group galaxies, few constraints
10 1977   294    13  10     # Lynden-Bell & Lin 1977, MNRAS, 181, 37; +10-15 km s-1, more constraints
12 1978   220    15   8.5   # Knapp et al. 1978, AJ, 83, 1585; HI at disk edge, first and second quadrants
00 1979   212     0.  8.5   # Einasto et al. 1979, IAUS, 84, 231; halo GCs, R0 based on Einasto 1979
00 1979   230     0.  8.5   # Einasto et al. 1979, IAUS, 84, 231; disk population objects, R0 based on Einasto 1979
00 1979   225     0.  8.5   # Einasto et al. 1979, IAUS, 84, 231; Oort limiting velocity, R0 based on Einasto 1979
00 1979   217    10   8.5   # Einasto et al. 1979, IAUS, 84, 231; Galactic constants, R0: Einasto 1979
00 1979   220     7   8.5   # Einasto et al. 1979, IAUS, 84, 231; Galactic companions, R0 based on Einasto 1979
00 1979   221     5   8.5   # Einasto 1979, IAUS, 84, 451; best fit of Galactic constants, smoothed value
00 1979   220    10   8.5   # Einasto 1979, IAUS, 84, 451; best fit of Galactic constants, observed
08 1979   220    20   8.5   # Gunn et al. 1979, AJ, 84, 1181; HI data, nearly flat RC
02 1980   250    40   7     # Clube & Dawe 1980, MNRAS, 190, 591; 59 RR Lyrae
10 1980   215    15   9     # Frenk & White 1980, MNRAS, 193, 295; GCs, 200-225 km s-1
03 1981   184     9   8.5   # Shuter 1981, MNRAS, 194, 851; HI and CO, flat RC
12 1981   243    20   9.1   # Caldwell & Ostriker 1981, ApJ, 251, 61; Oort constants; OB stars, Cepheids, PNe, RR Lyrae, HII regions, OCs, RSGs
12 1981   212    16   8.5   # Lynden-Bell & Frenk 1981, Obs, 101, 200; GC kinematics, R0 not explicitly mentioned; not scalable by R0
00 1983   181     0.  8.5   # McCutcheon et al. 1983, ASSL, 100, 165; R0 not explicitly mentioned, CO in the southern MW, not scalable by R0?
00 1983   238    10   8.5   # Ostriker & Caldwell 1983, ASSL, 100, 249; Galactic mass modeling, Oort constants
06 1984   212    19   8.5   # Pier 1984, ApJ, 281, 260; 202 metal-poor halo field AB stars, lower limit
00 1985   220     0.  8.5   # Jackson 1985, IAUS, 106, 179; HI at northern disk edge, R0 not explicitly mentioned
00 1985   250     0.  8.5   # Jackson 1985, IAUS, 106, 179; HI at southern disk edge, R0 not explicitly mentioned
00 1985   184     0.  8.5   # Rohlfs 1985, cited as "priv. commun." in Kerr & Lynden-Bell 1986
08 1985   252     2  10     # Clemens 1985, ApJ, 295, 422; CO + HI, HII regions, GCs, 2AR0
11 1985   220     0.  8.5   # IAU recommendation; Kerr & Lynden-Bell 1986; review of the available literature
04 1986   185    12   7.9   # Rohlfs et al. 1986, A&A, 158, 181; HII regions
08 1986   222    20   8.5   # Kerr & Lynden-Bell 1986, MNRAS, 221, 1023; literature review
05 1987   228    19   7.8   # Caldwell & Coulson 1987, AJ, 93, 1090; Cepheids, Oort constants
08 1987   214    31   8.5   # Hanson 1987, AJ, 94, 409; faint disk stars R0(A-B)
09 1987   235    10   8.5   # Carlberg & Innanen 1987, AJ, 94, 666; small sample of high-velocity-dispersion disk stars
00 1988   248    16   8.5   # Schechter et al. 1988, LNP, 306, 31; 268 carbon stars in the southern MW; 2AR0, R0 not explicitly mentioned but consistent with 8.5 kpc
00 1988   228    19   8.28  # Caldwell & Coulson 1988, LNP, 306, 68; 2AR0, Cepheids PLC
00 1988   238    20   7.66  # Caldwell & Coulson 1988, LNP, 306, 68; 2AR0, Cepheids PLR(V)
00 1988   218    18   7.58  # Caldwell & Coulson 1988, LNP, 306, 68; 2AR0, Cepheids PLR(I)
00 1988   228    18   7.83  # Caldwell & Coulson 1988, LNP, 306, 68; 2AR0, average
03 1988   180     6   8.5   # Robinson et al. 1988, A&A, 193, 60; CO, southern hemisphere, 2AR0
10 1988   272    26   8.5   # Dubath et al. 1988, A&A, 205, 77; 2AR0, late-type supergiants
01 1990   209     2   8.5   # Alvarez et al. 1990, ApJ, 348, 495; CO, flat RC; R0 unclear but not scalable
05 1992   210    25   7.9   # Merrifield 1992, AJ, 103, 1552; HI, based on Kerr & Lynden-Bell 1986
05 1992   180    20   7.9   # Merrifield 1992, AJ, 103, 1552; HI, rotation curves of external galaxies
05 1992   200    10   7.9   # Merrifield 1992, AJ, 103, 1552; HI, compromise, also Merrifield 1992, AIPC, 278, 437
00 1992   248    16   8.5   # Caldwell et al. 1992, ASPC, 30, 111; average result, Cepheids, Oort constants
00 1993   227    23   8.5   # Schechter 1993, AIPC, 278, 571 (published in 1992!); 651 carbon stars includes solar peculiar motion
01 1994   200    30   8     # Kuijken & Tremaine 1994, ApJ, 421, 178; model analysis, 180-200 km s-1; OH/IR stars, GCs, high-velocity stars, PNe. not including CO because of asymmetries
05 1994   257     7   8.09  # Pont et al. 1994, A&A, 285, 415; 107 classical Cepheids, 2AR0; see also IAUS, 169, 661 (1996); Msngr, 76, 45 (1994)
01 1996   220    22   8.5   # Kochanek 1996, ApJ, 457, 228; Galactic satellites, based on Fich, Blitz & Stark (1989); Fich & Tremaine (1991)
01 1996   220    30   8.5   # Kochanek 1996, ApJ, 457, 228; Galactic satellites, assuming Leo I is bound
10 1996   223    14   8.5   # Frink et al. 1996, A&A, 314, 430; 197 OB stars (HII regions), 144 CCs, Oort constants
12 1996   201     0.  7.6   # Honma & Sofue 1996, PASJ, 48, L103; HI, for A-B = 26.4 km s-1 kpc-1
12 1996   192     0.  7.6   # Honma & Sofue 1996, PASJ, 48, L103; HI, for flat RC within 2R0
07 1997   210    25   8     # Sackett 1997, ApJ, 483, 103; HI, literature
07 1997   236    13   8.0   # Sackett 1997, ApJ, 483, 103, based on Backer 1996, IAUS, 169, 193; Sgr A* kinematics
08 1997   196     6.  7.6   # Honma & Sofue 1997, PASJ, 49, 453; HI, CO, PNe
11 1997   231    15   8.5   # Feast & Whitelock 1997, MNRAS, 291, 683; 220 Cepheids (Hipparcos), Oort constants
02 1998   237    12   7.66  # Metzger et al. 1998, AJ, 115, 635; Cepheids
04 1998   268.7 11.9  8.5   # Miyamoto & Zhu 1998, AJ, 115, 1483; 1352 O-B5 stars (Hipparcos)
04 1998   243.3 12.0  8.5   # Miyamoto & Zhu 1998, AJ, 115, 1483; 170 Cepheids (Hipparcos)
07 1998   184     8   7.1   # Olling & Merrifield 1998, MNRAS, 297, 943; HI
08 1998   256    10   8.51  # Feast et al. 1998, MNRAS, 298, L43; 266 Cepheids with radial velocities/214 Cepheids with Hipparcos proper motions, 2AR0
08 1998   232    18   8.51  # Feast et al. 1998, MNRAS, 298, L43; R0(A-B), different sample
00 1999   277     3   7.4   # Glushkova et al. 1999, A&AT, 18, 349; 770 Pop I objects with good distances: 20 young OCs (log t yr-1  < 8.1), 440 CCs, 128 RSGs, 2AR0
00 1999   204    15   7.4   # Glushkova et al. 1999, A&AT, 18, 349; 770 Pop I objects with good distances: 20 young OCs (log t yr-1  < 8.1), 440 CCs, 128 RSGs, Θ0
10 1999   226    44   8.5   # Méndez et al. 1999, ApJ, 524, L39; 30,000 Southern PM program stars toward the Galactic pole; based on reanalysis of Kerr & Lynden-Bell 1986
10 1999   270     0.  8.5   # Méndez et al. 1999, ApJ, 524, L39; better fit
10 1999   219    20   8.0   # Reid et al. 1999, ApJ, 524, 816; Sgr A* motion
00 2000   216.5  24   8.2   # Nikiforov 2000, ASPC, 209, 403; HI vs CO
02 2000   255.5   8.3 8.5   # Uemura et al. 2000, PASJ, 52, 143; 240 O-B5 stars (Hipparcos)
12 2000   268.7  11.9 8.5   # Zhu 2000, PASJ, 52, 1133; O-B5 stars (Hipparcos)
12 2000   252.1  10.1 8.5   # Zhu 2000, PASJ, 52, 1133; K, M giants (Hipparcos)
12 2000   240.0  12.1 8.5   # Zhu 2000, PASJ, 52, 1133; Cepheids (Hipparcos)
12 2000   240.5  10.2 8.5   # Zhu 2000, PASJ, 52, 1133; Cepheids (Hipparcos)
05 2002   258.7  34.3 8.5   # Branham 2002, ApJ, 570, 190; 1817 O-B5 stars (most Hipparcos)
12 2002   225.4  21   8.0   # Luna et al. 2002, ASPC, 275, 131; CO, HII regions, R0(A-B)
07 2003   220.8  13.6 8.0   # Bedin et al. 2003, AJ, 126, 247; PMs of field stars in the bulge near the GC M4, Oort constants; see also Mem. Soc. Astron. It., 74, 436 (2003)
12 2003   224    16   8.0   # Olling & Dehnen 2003, ApJ, 599, 275; 106 ACT/Tycho-2 stars with kinematic data, R0(A-B)
01 2004   202.7  24.7 8.0   # Kalirai et al. 2004, ApJ, 601, 277; PMs of field stars in the bulge near the GC M4, Oort constants
02 2004   245.9  13.5 8     # Sirko et al. 2004, AJ, 127, 914; halo blue HB stars
12 2004   236    15   8.0   # Reid & Brunthaler 2004, ApJ, 616, 872; Sgr A* motion
12 2004   229    15   8.0   # Reid & Brunthaler 2004, ApJ, 616, 872; Sgr A* motion, vpec,v = 12 km s-1
08 2005   214     8   8.27  # Frinchaboy et al. 2005, in: "Island Universes: Structure and Evolution of Disk Galaxies", ed. R. de Jong (Springer: Dordrecht), arXiv:astro-ph/0508666; +6-9 km s-1, more than 50 OCs in the 3rd and 4th Galactic quadrants, not scalable
06 2005   202     4   8     # Avedisova 2005, ARep, 49, 435; 270 star-forming regions
12 2005   241    15   8.0   # Reid & Brunthaler 2005, ASPC, 340, 253; Sgr A* motion
04 2006   215     5   7.8   # Orlov et al. 2006, A&AT, 25, 161; solar neighborhood stars (details no longer available)
09 2006   272     0.  8.5   # Elias et al. 2006, AJ, 132, 1052; 1156 O-B6 stars in the solar neighborhood (Hipparcos)
02 2007   244    13   8.25  # Shen & Zhu 2007, ChJA&A, 7, 120; O-B5 stars (Hipparcos)
02 2007   261    15   7.95  # Shen & Zhu 2007, ChJA&A, 7, 120; open clusters
09 2008   202    20   8.0   # Xue et al. 2008, ApJ, 684, 1143; 2400 blue HB halo stars (SDSS), 2 different cosmological simulations
09 2008   215    20   8.0   # Xue et al. 2008, ApJ, 684, 1143; 2400 blue HB halo stars (SDSS), 2 different cosmological simulations
12 2008   229    18   8.4   # Ghez et al. 2008, ApJ, 689, 1044; Sgr A* motion
12 2008   243.6   9.4 8.0   # Yuan et al. 2008, ChJA&A, 8, 714; O-B5 stars, Oort constants
12 2008   243.5  13.0 8.0   # Yuan et al. 2008, ChJA&A, 8, 714; K, M giants, Oort constants
03 2009   236     0.  8     # Reid et al. 2009, ApJ, 693, 397; 2 masers
07 2009   254    16   8.4   # Reid et al. 2009, ApJ, 700, 137; 18 masers
07 2009   247    12   8.4   # Reid et al. 2009, ApJ, 700, 137; Sgr A* motion
07 2009   250    10   8.4   # Reid et al. 2009, ApJ, 700, 137; combination of masers and Sgr A* motion
10 2009   244    13   8.2   # Bovy et al. 2009, ApJ, 704, 1704; masers + Sgr A*
10 2009   236    11   8.2   # Bovy et al. 2009, ApJ, 704, 1704; masers, Sgr A*, GD-1 stellar stream
12 2009   235    10   8.03  # Zhu 2009, RAA, 9, 1285; OCs
01 2010   239    12   7.98  # Shen & Zhang 2010, ChA&A, 34, 89; 215 Cepheids with complete radial velocity and photometric data (Hipparcos), combined with PLR
02 2010   200    20   6.7   # McMillan & Binney 2010, MNRAS, 402, 934; 18 masers, lower limit
02 2010   279    33   8.9   # McMillan & Binney 2010, MNRAS, 402, 934; 18 masers, upper limit
03 2010   224    13   8.5   # Koposov et al. 2010, ApJ, 712, 260; +12-14 km s-1; GD-1 stream: orbital fit
03 2010   221    18   8.5   # Koposov et al. 2010, ApJ, 712, 260; +16-20 km s-1; no priors
09 2010   240    20   8.3   # Sato et al. 2010, ApJ, 720, 1055; W51 maser parallax
11 2010   248    14   8     # Bobylev & Bajkova 2010, MNRAS, 408, 1788; 28 masers
12 2010   255     0.  8.4   # Foster & Cooper 2010, ASPC, 438, 16; HII regions
02 2011   213     5   7.80  # Ando et al. 2011, PASJ, 63, 45; masers in the ON 2N star-forming region (solar circle)
03 2011   226.87  0.  8     # Sharma et al. 2011, ApJ, 730, 3; Galactic mass modeling
04 2011   243    16   8     # Stepanishchev & Bobylev 2011, AstL, 37, 254; 28 masers
06 2011   239     7   8.3   # Brunthaler et al. 2011, AN, 332, 461; 18 Galactic masers - parallaxes, stellar orbits, Sgr A* PM
06 2011   246     7   8.3   # Brunthaler et al. 2011, AN, 332, 461; old solar motion: DISCARD
07 2011   239     5   8.29  # McMillan 2011, MNRAS, 414, 2446; Galactic mass modeling
08 2011   213    10   7.80  # Sofue et al. 2011, PASJ, 63, 867; near-solar-circle objects from the literature (HII regions, masers)
09 2012   230    14   8.0   # Bajkova & Bobylev 2012, AstL, 38, 549; 44 masers
11 2012   242     6   8.1   # Bovy et al. 2012, ApJ, 759, 131; +10-3 km s-1; 3365 stars from APOGEE, primarily RGs
11 2012   218     6   8.1   # Bovy et al. 2012, ApJ, 759, 131; 3365 stars from APOGEE, primarily RGs
11 2012   248     6   8.2   # Schönrich 2012, MNRAS, 427, 274; FGKM dwarf stars + MS stars, SEGUE (SDSS), mostly within a few kpc from the Sun; also constraints from Sgr A*
11 2012   250     9   8.27  # Schönrich 2012, MNRAS, 427, 274; same
12 2012   238    14   8.05  # Honma et al. 2012, PASJ, 64, 136; full range 223-248 km s-1, VERA, 52 masers
02 2013   243     7   8.38  # Reid 2013, IAUS, 289, 188; masers
02 2013   267    17   7.66  # Bobylev 2013, AstL, 39, 95; near-solar-circle objects: SF regions, Cepheids; 14 Cepheids with Hipparcos PMs
02 2013   217    11   7.64  # Bobylev 2013, AstL, 39, 95; near-solar-circle objects: SF regions, Cepheids; 18 Cepheids with UCAC4 PMs
02 2013   239    12   7.98  # Zhu & Shen 2013, IAUS, 289, 444; Classical Cepheids
02 2013   244    13   8.25  # Zhu & Shen 2013, IAUS, 289, 444; O-B5 stars (Hipparcos)
02 2013   260    15   8.03  # Zhu & Shen 2013, IAUS, 289, 444; open clusters
04 2013   206.5  20   8.0   # Bhattacharjee et al. 2013, PhRvD, 87, 083525; disk objects from Sofue (2012)
09 2013   229.4   0.  8     # Golubov et al. 2013, A&A, 557, A92; RAVE dwarf stars
10 2013   238    14   8.05  # Honma 2013, ASPC, 476, 81; masers
12 2013   218    10   8     # Bovy & Rix 2013, ApJ, 779, 115; 16,269 G-type dwarfs, SEGUE
01 2014   218     6   8.1   # Bovy, 2014, IAUS, 298, 185; [R0 from Bovy et al. 2012, ApJ, 759, 131]; intermediate-age and old disk stars, APOGEE: mostly RGs
03 2014   240     8   8.34  # Reid et al. 2014, ApJ, 783, 130; more than 100 masers
09 2014   232     1.7 8.0   # Sharma et al. 2014, ApJ, 793, 51; RAVE/GCS data: giants and dwarfs
09 2014   298     7   8.15  # Branham 2014, Ap&SS, 353, 179; OB stars (Hipparcos)
09 2014   299     0.  8.0   # Branham 2014, Ap&SS, 353, 179; based on the Oort constants and a linear model
09 2014   203    12   6.72  # Branham 2014, Ap&SS, 353, 179; based on OB stars and a nonlinear model
08 2015   238    14   8.0   # Honma et al. 2015, PASJ, 67, 70; masers
09 2015   234    14   8.0   # Bobylev & Bajkova 2015, AstL, 41, 473; 120 spectroscopic OB binaries
09 2015   237    15   8.0   # Bobylev & Bajkova 2015, AstL, 41, 473; O stars from Patriarchi et al. (2003)
09 2015   230    15   8.0   # Bobylev & Bajkova 2015, AstL, 41, 473; 168 OB3 stars with distances from interstellar Ca lines
09 2015   250    15   8.0   # Bobylev & Bajkova 2015, AstL, 41, 473; same sample, distances reduced by 20%
09 2015   255    16   8.0   # Bobylev & Bajkova 2015, AstL, 41, 473; smaller sample of 58 spectroscopic binaries
09 2015   252    14   8.0   # Bobylev & Bajkova 2015, AstL, 41, 473; Ca distance scale
11 2015   198     3  10     # Williams & Evans 2015, MNRAS, 454, 698; RC evaluated at 10 kpc, halo blue HB stars (SDSS)
12 2015   236     0.  8     # Aumer & Schönrich 2015, MNRAS, 454, 3166; young MW bar stars, APOGEE
09 2016   238    15   8.2   # Bland-Hawthorn & Gerhard 2016, ARA&A, 54, 529; different inner disk tracers, incl. masers, Sgr A*
11 2016   220     0.  8.34  # Reid & Dame 2016, ApJ, 832, 159; HI, masers: reanalysis of curved RC
12 2016   240     6   8.34  # Huang et al. 2016, MNRAS, 463, 2623; 16,000 RC stars in the outer disk + 5700 halo K giants
01 2017   226     0.  8.5   # Martínez-Barbosa et al. 2017, MNRAS, 464, 2290; Galactic mass modeling
02 2017   250     0.  8.2   # Portail et al. 2017, MNRAS, 465, 1621; RC stars