21331+3938 MLB 899 AC
21h 33m 08.33s +39° 38' 09.6" P.A. 142.00 sep 27.9 mag 12.21,14.03 Sp PN
| Coord 2000 |
21331+3938 |
|
Discov num |
MLB 899 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 33 08.33 +39 38 09.6 |
|
| Date first |
1933 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
139 |
|
Pa last |
142.4 |
|
P.A. Now (θ) |
142.4° |
|
| Sep first |
27.0 |
|
Sep last |
27.942 |
|
Sep. Now (ρ) |
27.942" |
|
| Mag pri |
12.21 |
|
Mag sec |
14.03 |
|
delta mag (ΔM) |
1.82 |
|
Spectral class |
PN (planetary nebula) |
|
| Pri motion ra |
-012 |
|
Sec motion ra |
+017 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-009 |
|
| Notes |
N
(See Notes) |
|
rPM=1.446
This double is not physical.
21331+3938 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 33 08 +39 38 10 |
MLB 899 AB |
1935 |
3 |
51 |
3.2 |
11.00 |
11.40 |
0.40 |
|
|
| Show |
|
|
21 33 08 +39 38 10 |
MLB 899 AC |
2015 |
4 |
142 |
27.9 |
12.21 |
14.03 |
1.82 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1965932567196906752 |
|
