21448+4931 ARG 43 BC
21h 44m 46.06s +49° 31' 13.5" P.A. 91.00 sep 6.9 mag 9.01,14.00 Sp A2 dist. 33333.33 pc (108733.32 l.y.)
Coord 2000 |
21448+4931 |
|
Discov num |
ARG 43 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 44 46.06 +49 31 13.5 |
|
Date first |
1904 |
|
Date last |
2018 |
|
Obs |
10 |
|
Pa first |
88 |
|
Pa last |
91.3 |
|
P.A. Now (θ) |
91.3° |
|
Sep first |
6.7 |
|
Sep last |
6.861 |
|
Sep. Now (ρ) |
6.861" |
|
Mag pri |
9.01 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
4.99 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+010 |
|
Sec motion ra |
+027 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
rPM=0.646
Nature of this double is uncertain.
21448+4931 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 207020 |
51250 |
21 44 45 +49 30 46 |
ARG 43 AB |
2018 |
21 |
20 |
29.2 |
8.63 |
9.01 |
0.38 |
|
|
Show |
|
|
21 44 46 +49 31 14 |
ARG 43 BC |
2018 |
10 |
91 |
6.9 |
9.01 |
14.00 |
4.99 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
HIP |
107364 |
|
Tycho2 |
3599-02366-1 |
|
Gaia DR2 |
1978951609515342080 |
|
BD |
BD+48 3492 |
|
Distance |
33333.33 |
|
Distance ly |
108733.32 |
|
WDS 21448+4931 ARG 43 BC : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Arg1857 |
- |
Argelander, F. |
................... |
Arg1857 |
|
Oeltzen Argelander Cat -15 to -31, 1857 |
|
Arg1862A |
- |
Argelander, F. |
1862AN.....59....1A |
Arg1862A |
|
cited by Auwers (AN 59, 1, 1862) |
|
Arg1864 |
T - |
Argelander, F. |
1864AN.....62R.253A |
Arg1864 |
|
AN 62, 253, 1864 |
|
Arg1865 |
T - |
Argelander, F. |
1865AN.....65...61A |
Arg1865 |
|
AN 65, 61, 1865 |
|
Arg1880A |
- |
Argelander, F. |
1880Obs.....3..569G |
Arg1880A |
|
cited by Gledhill (Obs. 3, 569, 1880) |
|
Arg1906A |
T - |
Argelander, F. (BD) |
1906QB821.B972..... |
Arg1906A |
|
cited in BDS (Burnham Double Star Cat., 1906) |
|
Arg1908A |
T - |
Argelander, F. |
1908JRASC...2..248E |
Arg1908A |
|
cited by Espin (JRASC 2, 248, 1908) |
. |
Arg1913A |
T - |
Argelander, F. (BD) |
1913QB811.B8....... |
Arg1913A |
|
cited by Burnham (Carnegie Inst. Wash. #168, 1913) |
|
Arg1932A |
T - |
Argelander, F. (BD) |
1932QB821.A43...... |
Arg1932A |
|
cited in ADS (Aitken Double Star Cat., 1932) |
|
Arg1937A |
- |
Argelander, F. |
1937AnLei..18....1S |
Arg1937A |
|
cited by Strand (Ann. Sterrew. Leiden 18, 1937) |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
21448+4931 |
ARG 43 |
BC |
2003 |
3 |
93 |
6.8 |
9.01 |
14.00 |
A2 |
D |
214446.06+493113.5 |
21448+4931 |
ARG 43 |
BC |
2015 |
5 |
91 |
7.1 |
9.01 |
14.00 |
A2 |
|
214446.06+493113.5 |
21448+4931 |
ARG 43 |
BC |
2018 |
6 |
91 |
6.9 |
9.01 |
14.00 |
A2 |
|
214446.06+493113.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21448+4931 ARG 43 BC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21448+4931 ARG 43 BC : MEASURES
No records found.
WDS 21448+4931 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 21448+4931 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.