00453+5513 BU 492 AB (HD 4222)
00h 45m 17.20s +55° 13' 17.1" P.A. 173.00 sep 1.5 mag 5.42,11.50 Sp A2Vs dist. 98.81 pc (322.32 l.y.)
| Coord 2000 |
00453+5513 |
|
Discov num |
BU 492 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 45 17.20 +55 13 17.1 |
|
| Date first |
1878 |
|
Date last |
2017 |
|
Obs |
13 |
|
| Pa first |
153 |
|
Pa last |
172.8 |
|
P.A. Now (θ) |
172.8° |
|
| Sep first |
1.9 |
|
Sep last |
1.536 |
|
Sep. Now (ρ) |
1.536" |
|
| Mag pri |
5.42 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
6.08 |
|
Spectral class |
A2Vs (white) |
|
| Pri motion ra |
-036 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
00453+5513 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
21677 |
00 45 17 +55 13 17 |
DCH 129 Aa,Ab |
2017 |
2 |
246 |
0.7 |
5.40 |
9.90 |
4.50 |
|
|
| Show |
HD 4222 |
21677 |
00 45 17 +55 13 17 |
BU 492 AB |
2017 |
13 |
173 |
1.5 |
5.42 |
11.50 |
6.08 |
|
<=== |
| Show |
|
21677 |
00 45 17 +55 13 17 |
BU 492 AC |
2015 |
7 |
26 |
88.6 |
5.42 |
11.34 |
5.92 |
|
|
| Show |
|
|
00 45 22 +55 14 37 |
FYM 184 CD |
2015 |
7 |
91 |
23.2 |
11.30 |
14.00 |
2.70 |
|
|
| Show |
|
|
00 45 24 +55 14 36 |
FYM 184 DE |
2015 |
7 |
129 |
13.7 |
14.00 |
15.30 |
1.30 |
|
|
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 4222 |
|
Constellation |
Cassiopeia |
|
SAO |
21677 |
|
HIP |
3544 |
|
| Tycho2 |
3659-02174-1 |
|
Gaia DR2 |
418414069011230720 |
|
HD |
4222 |
|
HR |
196 |
|
| GC |
894 |
|
ADS |
625 |
|
BD |
BD+54 143 |
|
Distance |
98.81 |
|
| Distance ly |
322.32 |
|
