21185+1541 BPMA 254 AB
21h 18m 27.41s +15° 40' 54.4" P.A. 334.00 sep 4.6 mag 14.79,16.10
Coord 2000 |
21185+1541 |
|
Discov num |
BPMA254 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 18 27.41 +15 40 54.4 |
|
Date first |
1997 |
|
Date last |
2015 |
|
Obs |
2 |
|
Pa first |
330 |
|
Pa last |
333.6 |
|
P.A. Now (θ) |
333.6° |
|
Sep first |
4.3 |
|
Sep last |
4.606 |
|
Sep. Now (ρ) |
4.606" |
|
Mag pri |
14.79 |
|
Mag sec |
16.10 |
|
delta mag (ΔM) |
1.31 |
|
Spectral class |
|
|
Pri motion ra |
|
|
Sec motion ra |
-032 |
|
Pri motion dec |
|
|
Sec motion dec |
+027 |
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21185+1541 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 18 27 +15 40 54 |
BPMA 254 AB |
2015 |
2 |
334 |
4.6 |
14.79 |
16.10 |
1.31 |
|
<=== |
Show |
|
|
21 18 27 +15 40 54 |
BPMA 254 AC |
2001 |
3 |
194 |
260.8 |
14.79 |
14.93 |
0.14 |
|
|
Show |
|
|
21 18 23 +15 36 41 |
BPMA 254 CD |
2015 |
4 |
329 |
5.9 |
14.93 |
15.00 |
0.07 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pegasus |
|
Gaia DR2 |
1783791594107381632 |
|