Coord 2000 | 02157+2503 | Discov num | RAO 635 | Comp | Ca,Cb | Coord arcsec 2000 | 02 15 48.70 +24 58 50.1 | ||||
Date first | 2019 | Date last | 2019 | Obs | 1 | ||||||
Pa first | 150 | Pa last | 150.1 | P.A. Now (θ) | 150.1° | ||||||
Sep first | 0.7 | Sep last | 0.69 | Sep. Now (ρ) | 0.69" | ||||||
Mag pri | 12.20 | Mag sec | 13.90 | delta mag (ΔM) | 1.7 | Spectral class | |||||
Pri motion ra | -088 | Sec motion ra | |||||||||
Pri motion dec | -090 | Sec motion dec | |||||||||
Notes | N W R (See Notes, , Red magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 21 Ari | 75238 | 02 15 43 +25 02 36 | COU 79 AB | 2014 | 219 | 39 | 0.2 | 6.40 | 6.48 | 0.08 | Y | |
Show | 02 15 49 +24 58 50 | RAO 635 Ca,Cb | 2019 | 1 | 150 | 0.7 | 12.20 | 13.90 | 1.70 | <=== |
Constellation | Aries |
discov_num | notes | refcode |
COU 79 | 21 Ari. Couteau & Morel (1982) computed masses disagree with spectral | Cou1982d |
type. Authors suggest 3rd component (mass ~1 Msun) as possible | ||
explanation. 1985.8375: This measure was erroneously attributed to | ||
02130+0851 = MCA 5 by McAlister et al. (1987). The data were re-reduced | McA1987b | |
by Hartkopf et al., giving similar results. The measure has now been | Hrt1996a | |
replaced by the mean of the two separate reduction results. | ||
1986.567: The separation of this partially resolved pair was | ||
calculated under the assumption of zero or otherwise known magnitude | ||
difference. Pair passed periastron earlier than predicted; now the | ||
orbit is definitive | Tok1985 | |
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic | ||
masses of 3.09 +/- 0.30, 3.04, and 1.17 Msun, respectively. | Mlk2012 |
refcode | metd | author | reference |
Cou1982d | orb - | Couteau, P. & Morel, P.J. | 1982A&A...105..323C |
Cou1982d | A&A 105, 323, 1982 | ||
Hrt1996a | Sc j | Hartkopf, W.I., Mason, B.D., & McAlister, H.A. | 1996AJ....111..370H |
Hrt1996a | +orb | AJ 111, 370, 1996 | |
McA1987b | Sc j | McAlister, H.A., Hartkopf, W.I., Hutter, D.J., & Franz, O.G. | 1987AJ.....93..688M |
McA1987b | AJ 93, 688, 1987 | ||
Mlk2012 | not - | Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. | 2012A&A...546A..69M |
Mlk2012 | A&A 546, A69, 2012 | ||
Tok1985 | Ig u | Tokovinin, A.A. | 1985A&AS...61..483T |
Tok1985 | A&AS 61, 483, 1985 |
idgroup | discov | author |
1 | RAO | Robo AO (Palomar 60" AO project or KPNO 2.1m) |
1 | RAO | Law, N.M., Morton, T., Baranec, C., Riddle, R., Ravichandran, G., Ziegler, C., |
1 | RAO | Johnson, J.A., Tendulkar, S.P., Bui, K., Burse, M.P., Das, H., Dekany, R., et al. |
2 | RAO | Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr., |
2 | RAO | Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G., |
2 | RAO | Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P. |
7 | RAO | Baranec, C., Ziegler, C., Law, N.M., Morton, T., Riddle, R.L., Atkinson, D., |
7 | RAO | Schonhut, J., & Crepp, J. |
8 | RAO | Ziegler, C., Law, N.M., Nicholas, M., Morton, T., Baranec, C., Riddle, R.L., |
8 | RAO | Atkinson, D., Baker, A., Roberts, S., & Ciardi, D.R. |
9 | RAO | Schonhut-Stasik, J.S., Baranec, C., Huber, D., Ziegler, C., Atkinson, D., Gaidos, |
9 | RAO | E., Law, N.M., Riddle, R., Hagelberg, J., van der Marel, N., & Hodapp, K.W. |
10 | RAO | Hillenbrand, L.A., Zhang, C., Riddle, R.L., Baranec, C., Ziegler, C., Law, N.M. & |
10 | RAO | Stauffer, J. |
12 | RAO | Ziegler, C., Law, N.M., Baranec, C., Riddle, R., Duev, D.A., Howard, W., |
12 | RAO | Jensen-Clem, R., Kulkarni, S.R., Morton, T. & Salama, M. |
13 | RAO | Ziegler, C., Law, N.M., Baranec, C., Morton, T., Riddle, R., De Lee, N., Huber, D., |
13 | RAO | Mahadevan, S. & Pepper, J. |
14 | RAO | Bowler, B.P., Hinkley, S., Ziegler, C., Baranec, C., Gizis, J.E., Law, N.M., Liu, |
14 | RAO | M.C., Shah, V.S., Shkolnik, E.L., Riaz, B. & Riddle, R. |
15 | RAO | Schonhut-Stasik, J.S., Huber, D., Baranec, C., Lamman, C., Salama, M., Jensen-Clem, |
15 | RAO | R., Duev, D.A., Riddle, R., Kulkarni, S.R. & Law, N.M. |
16 | RAO | Lamman, C., Baranec, C., Berta-Thompson, Z.K., Law, N.M., Schonhut-Stasik, J., |
16 | RAO | Ziegler, C., Salama, M., Jensen-Clem, R., Duev, D.A., Riddle, R., Kulkarni, S.R., |
16 | RAO | Winters, J.G. & Irwin, J.M. |
19 | RAO | Salama, M., Ou, J., Barance, C., Liu, M.C., Bowler, B.P., Barnes, P., Bonnet, M., |
19 | RAO | Chun, M., Duev, D.A., Goebel, S., Hall, D., Jacobson, S., Jensen-Clem, R., Law, |
19 | RAO | N.M., Lockhart, C., Riddle, R., Situ, H., Warmbier, E. & Zhang, Z. |
20 | RAO | Salama, M., Ziegler, C., Baranec, C., Liu, M.C., Law, N.M., Riddle, R., Henry, |
20 | RAO | T.J., Winters, J.G., Jao, W.-C., Ou, J. & Ruiz, A.H. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
02157+2503 | RAO 635 | Ca,Cb | 2019 | 1 | 150 | 0.7 | 12.20 | 13.90 | N WR | 021548.70+245850.1 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | B | C | |
B | pa=36.5° sep=0.19" | ||
C | pa=160.5° sep=239.30" | pa=160.6° sep=239.40" | |
Cb | pa=160.5° sep=239.96" | pa=160.5° sep=240.07" | pa=152.5° sep=0.67" |
Name | 21 Ari | Coord arcsec 2000 | 021542.83+250235.7 | Mag | 6.4 | Spectral class | F6V (yellow-white) | ||||
PmRA | -88.00 | PmDE | -87.0 | SAO | 75238 | HIP | 10535 | ||||
Tycho2 | 1769-01309-1 | HD | 13872 | HR | 657 | GC | 2706 | ||||
BD | BD+24 329 | Flamsteed | 21 Arietis | Flamsteed name | 21 Ari | FK5 | 1059 |
Tycho2 | 1769-01309-1 | Pflag | RAmdeg | 33.92823939 | DEmdeg | 25.04303817 | |||||
PmRA | -88.1 | PmDE | -89.3 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 0.7 | E pmDE | 0.7 | EpRAm | 1991.46 | EpDEm | 1991.27 | ||||
Num | 21 | Q RAmdeg | 1.3 | Q DEmdeg | 1.0 | Q pmRA | 1.6 | ||||
Q pmDE | 0.9 | BTmag | 6.178 | E BTmag | 0.014 | VTmag | 5.637 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 10535 | ||||
CCDM | AB | RAdeg | 33.92846111 | DEdeg | 25.04324222 | EpRA 1990 | 1.78 | ||||
EpDE 1990 | 1.77 | E RAdeg | 3.4 | E DEdeg | 3.8 | Posflg | P | ||||
Corr | -0.2 |
SAO | 75238 | DelFlag | RA1950 | PmRA1950 | -0.0065 | ||||||
DE1950 | PmDE1950 | -0.082 | Vmag | 5.6 | SpType | F5 | |||||
Double code | Source | 74 | CatNum | 1059 | DM | BD+24 329 | |||||
DMcomp | BDsup | HD | 13872 | M HD | 0 | ||||||
GC | 2706 | RA1950rad | 0.57975283 | DE1950rad | 0.43305749 | PmRA2000 | -0.0065 | ||||
PmDE2000 | -0.086 |
Catalog | H | HIP | 10535 | Proxy | H | RAhms | 02 15 42.83 | ||||
DEdms | +25 02 35.7 | Vmag | 5.57 | VarFlag | R Vmag | H | |||||
RAdeg | 33.9285 | DEdeg | 25.0433 | AstroRef | * | Plx | 20.77 | ||||
CCDM | 02157+2503 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | S | Qual | A | M HIP | AB | ||||
Theta | 36 | Rho | 0.187 | HD | 13872 | BD | BD+24 329 | ||||
CD | CP | Dm number | +24 329 | VIred | 0.58 | ||||||
SpType | F6V | R SpType | Coord arcsec 2000 | 021542.83+250235.7 |
HIP | 10535 | Sn | 55 | So | 3 | Nc | 2 | ||||
RArad | 0.5921636272 | DErad | 0.4370872595 | Plx | 19.58 | PmRA | -89.72 | ||||
PmDE | -86.42 | E RArad | 0.43 | E DErad | 0.34 | E Plx | 0.61 | ||||
E pmRA | 0.52 | E pmDE | 0.5 | Hpmag | 5.6885 | E Hpmag | 0.0004 | ||||
SHp | 0.005 | VA | 0 | BV | 0.52 | E BV | 0.004 | ||||
VI | 0.59 |
Ccdm | 02157+2503 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.76 | DDEs | -25.0 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 6.5 | Sp | F5 | PmNote | * | ||||
PmRA | -89 | PmDE | -82 | Dm number | +24 329 | Cat1 | BD | ||||
Name2 | +24 201 | Cat2 | AGK2/3 | HD | 13872 | M HD | |||||
ADS BDS | M ADS BDS | N IDS | IDS | 02101N2435A | |||||||
HIC | 10535 |
Coord arcsec 2000 | 021542.84+250235.9 | Mag | 6.48 | Calc delta mag | 0.08 | Calc coord | yes |
Ccdm | 02157+2503 | RComp | Comp | B | Note1 | * | |||||
Note2 | Discov num | COU 79 | DRAs | DDEs | |||||||
R dRAs | Year | 1965 | Theta | 50 | Rho | 0.2 | |||||
Obs | 1 | Vmag | 6.8 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | IDS | 02101N2435B | |||||||
HIC | 10535 |
Coord arcsec 2000 | 021548.70+245850.1 | Mag | 12.2 | PmRA | -88.00 | PmDE | -90.0 | ||||
Calc delta mag | 5.8 |
Coord arcsec 2000 | 021548.72+245849.5 | Mag | 13.9 | Calc delta mag | 7.5 | Calc coord | yes |