13100+1732 STF 1728 AB,C (Alp Com)
13h 09m 59.28s +17° 31' 46.0" P.A. 349.00 sep 84.8 mag 4.43,11.45 Sp F5V dist. 17.83 pc (58.16 l.y.)
| Coord 2000 |
13100+1732 |
|
Discov num |
STF1728 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
13 09 59.28 +17 31 46.0 |
|
| Date first |
1851 |
|
Date last |
2014 |
|
Obs |
14 |
|
| Pa first |
322 |
|
Pa last |
349.3 |
|
P.A. Now (θ) |
349.3° |
|
| Sep first |
135.6 |
|
Sep last |
84.77 |
|
Sep. Now (ρ) |
84.77" |
|
| Mag pri |
4.43 |
|
Mag sec |
11.45 |
|
delta mag (ΔM) |
7.02 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
-433 |
|
Sec motion ra |
-012 |
|
| Pri motion dec |
+141 |
|
Sec motion dec |
-001 |
|
| Notes |
N
L
(See Notes, Linear solution) |
|
rPM=0.976
This double is not physical.
13100+1732 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Diadem |
100443 |
13 09 59 +17 31 46 |
STF 1728 AB |
2020 |
664 |
195 |
0.5 |
4.85 |
5.53 |
0.68 |
Y |
|
| Show |
Alp Com |
100443 |
13 09 59 +17 31 46 |
STF 1728 AB,C |
2014 |
14 |
349 |
84.8 |
4.43 |
11.45 |
7.02 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Alp Com |
|
Var name |
NSV6116 Com |
|
Constellation |
Coma Berenices |
|
SAO |
100443 |
|
| HIP |
64241 |
|
Tycho2 |
1454-01134-1 |
|
HD |
114378 |
|
HR |
4968 |
|
| GC |
17833 |
|
ADS |
8804 |
|
GL |
Gl 501A |
|
BD |
BD+18 2697 |
|
| Bayer |
Alpha Comae Berenices |
|
Bayer name |
Alp Com |
|
Flamsteed |
42 Comae Berenices |
|
Flamsteed name |
42 Com |
|
| Distance |
17.83 |
|
Distance ly |
58.16 |
|
Bayer greek |
α Com |
|
