21101+4359 HJ 1618 BC
21h 10m 04.99s +43° 59' 01.8" P.A. 132.00 sep 2.9 mag 11.20,12.20
Coord 2000 |
21101+4359 |
|
Discov num |
HJ 1618 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 10 04.99 +43 59 01.8 |
|
Date first |
1902 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
133 |
|
Pa last |
132.4 |
|
P.A. Now (θ) |
132.4° |
|
Sep first |
2.9 |
|
Sep last |
2.865 |
|
Sep. Now (ρ) |
2.865" |
|
Mag pri |
11.20 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
Pri motion ra |
-014 |
|
Sec motion ra |
|
|
Pri motion dec |
+004 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
21101+4359 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 201734 |
50525 |
21 10 05 +43 59 23 |
HJ 1618 AB |
2015 |
9 |
174 |
21.7 |
8.27 |
11.20 |
2.93 |
|
|
Show |
|
|
21 10 05 +43 59 02 |
HJ 1618 BC |
2015 |
6 |
132 |
2.9 |
11.20 |
12.20 |
1.00 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1970259523415834368 |
|