15018-0008 BU 348 AB (2 Ser)
15h 01m 48.92s -00° 08' 24.9" P.A. 108.00 sep 0.5 mag 6.13,7.49 Sp M0.5IIb dist. 704.23 pc (2297.2 l.y.)
| Coord 2000 |
15018-0008 |
|
Discov num |
BU 348 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 01 48.92 -00 08 24.9 |
|
| Date first |
1875 |
|
Date last |
2016 |
|
Obs |
66 |
|
| Pa first |
114 |
|
Pa last |
107.6 |
|
P.A. Now (θ) |
107.6° |
|
| Sep first |
0.4 |
|
Sep last |
0.478 |
|
Sep. Now (ρ) |
0.478" |
|
| Mag pri |
6.13 |
|
Mag sec |
7.49 |
|
delta mag (ΔM) |
1.36 |
|
Spectral class |
M0.5IIb (red) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
Nature of this double is uncertain.
15018-0008 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
2 Ser |
120798 |
15 01 49 -00 08 25 |
BU 348 AB |
2016 |
66 |
108 |
0.5 |
6.13 |
7.49 |
1.36 |
|
<=== |
| Show |
|
120798 |
15 01 49 -00 08 25 |
BU 348 AC |
2020 |
5 |
221 |
30.8 |
6.13 |
14.50 |
8.37 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
2 Ser |
|
Var name |
NSV6890 |
|
Constellation |
Virgo |
|
SAO |
120798 |
|
| HIP |
73536 |
|
Tycho2 |
5000-00867-1 |
|
HD |
132933 |
|
HR |
5594 |
|
| GC |
20212 |
|
ADS |
9480 |
|
BD |
BD+00 3297 |
|
Flamsteed |
2 Serpentis |
|
| Flamsteed name |
2 Ser |
|
Distance |
704.23 |
|
Distance ly |
2297.2 |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Ser vs Vir)
