04492-4223 HDS 621 BC
04h 49m 20.40s -42° 24' 49.3" P.A. 212.00 sep 0.1 mag 7.31,9.89 Sp A2/A3m... dist. 186.92 pc (609.73 l.y.)
| Coord 2000 |
04492-4223 |
|
Discov num |
HDS 621 |
|
Comp |
BC |
|
Coord arcsec 2000 |
04 49 20.40 -42 24 49.3 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
11 |
|
| Pa first |
210 |
|
Pa last |
211.9 |
|
P.A. Now (θ) |
211.9° |
|
| Sep first |
0.4 |
|
Sep last |
0.062 |
|
Sep. Now (ρ) |
0.062" |
|
| Mag pri |
7.31 |
|
Mag sec |
9.89 |
|
delta mag (ΔM) |
2.58 |
|
Spectral class |
A2/A3m... (white) |
|
| Pri motion ra |
-022 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
04492-4223 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 30848 |
217012 |
04 49 11 -42 23 05 |
SKF 811 A,BC |
2015 |
22 |
134 |
149.9 |
7.26 |
7.31 |
0.05 |
|
|
| Show |
|
217016 |
04 49 20 -42 24 49 |
HDS 621 BC |
2021 |
11 |
212 |
0.1 |
7.31 |
9.89 |
2.58 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Caelum |
|
SAO |
217016 |
|
HIP |
22411 |
|
Tycho2 |
7589-00510-1 |
|
| Gaia DR2 |
4814977785600397312 |
|
HD |
30877 |
|
GC |
5890 |
|
CD |
CD-42 1639 |
|
| CP |
CP-42 543 |
|
Distance |
186.92 |
|
Distance ly |
609.73 |
|
