19452+4755 RAP 13 AD
19h 45m 09.29s +47° 54' 58.8" P.A. 291.00 sep 7.3 mag 12.50,15.50 Sp M
Coord 2000 |
19452+4755 |
|
Discov num |
RAP 13 |
|
Comp |
AD |
|
Coord arcsec 2000 |
19 45 09.29 +47 54 58.8 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
289 |
|
Pa last |
290.7 |
|
P.A. Now (θ) |
290.7° |
|
Sep first |
7.2 |
|
Sep last |
7.296 |
|
Sep. Now (ρ) |
7.296" |
|
Mag pri |
12.50 |
|
Mag sec |
15.50 |
|
delta mag (ΔM) |
3 |
|
Spectral class |
M (red) |
|
Pri motion ra |
-032 |
|
Sec motion ra |
|
|
Pri motion dec |
-025 |
|
Sec motion dec |
|
|
Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
19452+4755 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
19 45 09 +47 54 59 |
RAP 13 AB |
2010 |
1 |
20 |
1.0 |
12.50 |
|
|
|
|
Show |
|
|
19 45 09 +47 54 59 |
RAP 13 AC |
2015 |
3 |
69 |
6.3 |
12.50 |
13.30 |
0.80 |
|
|
Show |
|
|
19 45 09 +47 54 59 |
RAP 13 AD |
2015 |
3 |
291 |
7.3 |
12.50 |
15.50 |
3.00 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2086646952383285888 |
|