21538+6237 ES 144 BD
21h 53m 53.30s +62° 36' 00.8" P.A. 43.00 sep 23.6 mag 7.07,12.00 Sp B1V dist. 819.67 pc (2673.76 l.y.)
Coord 2000 |
21538+6237 |
|
Discov num |
ES 144 |
|
Comp |
BD |
|
Coord arcsec 2000 |
21 53 53.30 +62 36 00.8 |
|
Date first |
1898 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
41 |
|
Pa last |
42.7 |
|
P.A. Now (θ) |
42.7° |
|
Sep first |
23.0 |
|
Sep last |
23.582 |
|
Sep. Now (ρ) |
23.582" |
|
Mag pri |
7.07 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
4.93 |
|
Spectral class |
B1V (blue-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-003 |
|
Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=1.374
This double is not physical.
21538+6237 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
19718 |
21 53 48 +62 36 52 |
PET 13 Aa,Ab |
2007 |
1 |
212 |
0.1 |
7.03 |
|
|
|
|
Show |
EM Cep |
19718 |
21 53 48 +62 36 52 |
S 800 AB |
2022 |
32 |
145 |
62.8 |
7.07 |
7.91 |
0.84 |
|
|
Show |
|
19718 |
21 53 48 +62 36 52 |
ES 144 AC |
2015 |
5 |
278 |
20.5 |
7.07 |
12.62 |
5.55 |
|
|
Show |
|
19719 |
21 53 53 +62 36 01 |
ES 144 BD |
2015 |
8 |
43 |
23.6 |
7.07 |
12.00 |
4.93 |
|
<=== |
Show |
|
|
21 53 45 +62 36 55 |
PET 13 CE |
2015 |
2 |
290 |
1.2 |
11.82 |
|
|
|
|
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
SAO |
19719 |
|
HIP |
108080 |
|
Tycho2 |
4266-01263-1 |
|
Gaia DR2 |
2204369806948781056 |
|
HD |
208440 |
|
BD |
BD+61 2217 |
|
Distance |
819.67 |
|
Distance ly |
2673.76 |
|