20550+2805 A 3109 AB,E
20h 55m 02.41s +28° 05' 25.6" P.A. 51.00 sep 49.2 mag 7.91,13.50 Sp G1V dist. 62.11 pc (202.6 l.y.)
Coord 2000 |
20550+2805 |
|
Discov num |
A 3109 |
|
Comp |
AB,E |
|
Coord arcsec 2000 |
20 55 02.41 +28 05 25.6 |
|
Date first |
1912 |
|
Date last |
2014 |
|
Obs |
7 |
|
Pa first |
65 |
|
Pa last |
51.1 |
|
P.A. Now (θ) |
51.1° |
|
Sep first |
54.7 |
|
Sep last |
49.156 |
|
Sep. Now (ρ) |
49.156" |
|
Mag pri |
7.91 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
5.59 |
|
Spectral class |
G1V (yellow) |
|
Pri motion ra |
+111 |
|
Sec motion ra |
+109 |
|
Pri motion dec |
-081 |
|
Sec motion dec |
+063 |
|
Notes |
N
(See Notes) |
|
rPM=1.048
This double is not physical.
20550+2805 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
89278 |
20 55 02 +28 05 26 |
BU 367 AB |
2021 |
131 |
224 |
0.1 |
8.31 |
9.00 |
0.69 |
Y |
|
Show |
HD 199221 |
89278 |
20 55 02 +28 05 26 |
BU 367 AB,C |
2014 |
11 |
358 |
38.0 |
7.91 |
12.30 |
4.39 |
|
|
Show |
|
89278 |
20 55 02 +28 05 26 |
BU 367 AB,D |
2014 |
9 |
67 |
19.6 |
7.91 |
15.00 |
7.09 |
|
|
Show |
|
89278 |
20 55 02 +28 05 26 |
A 3109 AB,E |
2014 |
7 |
51 |
49.2 |
7.91 |
13.50 |
5.59 |
|
<=== |
Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Vulpecula |
|
SAO |
89278 |
|
HIP |
103247 |
|
Tycho2 |
2179-00116-1 |
|
Gaia DR2 |
1845833599295880704 |
|
HD |
199221 |
|
BD |
BD+27 3915 |
|
Distance |
62.11 |
|
Distance ly |
202.6 |
|
WDS 20550+2805 A 3109 AB,E : NOTES
discov_num |
notes |
refcode |
BU 367 |
AB: Malkov et al. (2012) derive dynamical, photometric, and |
|
|
spectroscopic masses 1.62 +/- 0.40, 2.21, and 1.02 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
A |
Aitken, R.G. |
312 |
BU |
Burnham, S.W. (BU 1 - 81) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20550+2805 |
A 3109 |
AB,E |
2000 |
2 |
53 |
49.8 |
7.91 |
13.50 |
G1V |
N D |
205502.41+280525.6 |
20550+2805 |
A 3109 |
AB,E |
2002 |
3 |
53 |
49.5 |
7.91 |
13.50 |
G1V |
N D |
205502.41+280525.6 |
20550+2805 |
A 3109 |
AB,E |
2012 |
4 |
53 |
49.6 |
7.91 |
13.50 |
G1V |
N D |
205502.41+280525.6 |
20550+2805 |
A 3109 |
AB,E |
2014 |
7 |
51 |
49.2 |
7.91 |
13.50 |
G1V |
N |
205502.41+280525.6 |
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WDS 20550+2805 A 3109 AB,E : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20550+2805 A 3109 AB,E : MEASURES
No records found.
WDS 20550+2805 : VIRTUAL EYEPIECE
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WDS 20550+2805 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.