07281-4938 SPM 20 Aa,Ab
07h 28m 05.34s -49° 37' 57.3" P.A. 30.00 sep 4.9 mag 15.33,16.00
| Coord 2000 |
07281-4938 |
|
Discov num |
SPM 20 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
07 28 05.34 -49 37 57.3 |
|
| Date first |
1997 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
31 |
|
Pa last |
30.4 |
|
P.A. Now (θ) |
30.4° |
|
| Sep first |
4.9 |
|
Sep last |
4.891 |
|
Sep. Now (ρ) |
4.891" |
|
| Mag pri |
15.33 |
|
Mag sec |
16.00 |
|
delta mag (ΔM) |
0.67 |
|
Spectral class |
|
|
| Pri motion ra |
-018 |
|
Sec motion ra |
|
|
| Pri motion dec |
-024 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
07281-4938 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
07 28 05 -49 37 57 |
SPM 20 Aa,Ab |
2015 |
3 |
30 |
4.9 |
15.33 |
16.00 |
0.67 |
|
<=== |
| Show |
|
|
07 28 05 -49 37 57 |
SPM 20 AB |
2015 |
6 |
107 |
37.0 |
15.33 |
15.10 |
0.23 |
|
|
| Show |
|
|
07 28 09 -49 38 08 |
SPM 20 Ba,Bb |
2015 |
5 |
34 |
5.4 |
15.10 |
16.40 |
1.30 |
|
|
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Puppis |
|
Gaia DR2 |
5505883542145068800 |
|
