discov_num |
notes |
refcode |
STF1110 |
alp Gem = 66 Gem = Castor. STFB 4. According to R.G. Aitken, this was |
A__1935f |
|
discovered in 1719 by Bradley and Pound. Mt. Wilson spectral types |
Bdy1832A |
|
A2,A2,M1. A and B are both SB1's with P = 9.21 d and 2.93 d. |
Pnd1832A |
|
Castor A is also reported to exhibit x-ray and radio emission. |
|
|
See Baize & Petit (1989) catalog of doubles with variable component. |
Baz1989d |
|
Star C (mag. 9.1, M1Ve) is the spectroscopic and detached eclipsing |
|
|
binary YY Gem (P = 0.81 d), 70" from the center of AB and in slow |
|
|
retrograde motion (cf., Heintz), so the object is sextuple. |
Hei1960a |
|
AB: H 2 1. |
MEv2010 |
|
AB: Additional notes may be found in Fu et al. (1997) |
McA1997 |
|
AB: Malkov et al. (2012) derive dynamical, photometric, and |
|
|
spectroscopic masses 5.43 +/- 0.97, 4.27, and 4.28 Msun, respectively. |
Mlk2012 |
|
Components Aa, Ab, Ba and Bb determined to have masses of 2.74+/-0.11, |
Ana2015 |
|
0.37+/-0.09, 2.26+/-0.10 and 0.53+/-0.09 \Msun, respectively. |
|
|
Aa,Ba MYSTIC uniform disk dia. = 1.271 +/- 0.012, 0.994 +/- 0.014 mas. |
|
|
Aa,Ba MIRC-X uniform disk dia. = 1.273 +/- 0.003, 1.005 +/- 0.008 mas. |
|
|
Aa,Ab masses = 2.371 +/- 0.015, 0.3859+/- 0.0018 \msun. |
|
|
Ba,Bb masses = 1.789 +/- 0.016, 0.3865+/- 0.0020 \msun. |
CIA2022d |
|
Many historic AB measures corrected and missing measures added. |
CIA2022d |
refcode |
metd |
author |
reference |
A__1935f |
- |
Aitken, R.G. |
1935QB821.A3....... |
A__1935f |
|
The Binary Stars, 1935 |
|
Ana2015 |
N - |
Andrade, M. & Docobo, J.A. |
2015ASPC..496...94A |
Ana2015 |
|
ASP Conference Series 496, 94, 2015 |
|
Baz1989d |
- |
Baize, P. & Petit, M. |
1989A&AS...77..497B |
Baz1989d |
|
A&AS 77, 497, 1989 |
|
Bdy1832A |
Ma - |
Bradley, J. |
1833MmRAS...5...13H |
Bdy1832A |
|
Memoirs, Oxford, 1832 |
|
Bdy1832A |
|
(as cited by Herschel, MemRAS 5, 13, 1833) |
|
CIA2022d |
Kc+ j |
Torres, G., Schaefer, G.H., Monnier, J.D., Anugu, N., Davies, C.L., Ennis, J., |
2022ApJ..941.....8T |
CIA2022d |
+orb |
Farrington, C.D., Gardner, T., Klement, R., Kraus, S., Labdon, A., Lanthermann, C., |
|
CIA2022d |
|
Le Bouquin, J.-B., Setterholm, B.R. & ten Brummelaar, T. |
|
CIA2022d |
|
ApJ 941, 8, 2022 |
|
Hei1960a |
orb - |
Heintz, W.D. |
1960VeMun...5...87H |
Hei1960a |
|
Veroff. Sternw. Munchen 5, 87-114, 1960 |
|
McA1997 |
Sc j |
Fu, H.-H., Hartkopf, W.I., Mason, B.D., McAlister, H.A., Dombrowski, E.G., & |
1997AJ....114.1623F |
McA1997 |
|
Franz, O.G. |
|
McA1997 |
|
AJ 114, 1623, 1997 |
|
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
Pnd1832A |
Ma - |
Pound, J. |
1833MmRAS...5...13H |
Pnd1832A |
|
from Bradley Memoirs, 1832 |
|
Pnd1832A |
|
(as cited by Herschel, MemRAS 5, 13, 1833) |
|