20514+4519 ARG 40
20h 51m 21.57s +45° 19' 03.3" P.A. 250.00 sep 9.2 mag 9.35,10.29 Sp A5+F
Coord 2000 |
20514+4519 |
|
Discov num |
ARG 40 |
|
Comp |
|
|
Coord arcsec 2000 |
20 51 21.57 +45 19 03.3 |
|
Date first |
1892 |
|
Date last |
2018 |
|
Obs |
31 |
|
Pa first |
250 |
|
Pa last |
250 |
|
P.A. Now (θ) |
250° |
|
Sep first |
9.2 |
|
Sep last |
9.213 |
|
Sep. Now (ρ) |
9.213" |
|
Mag pri |
9.35 |
|
Mag sec |
10.29 |
|
delta mag (ΔM) |
0.94 |
|
Spectral class |
A5+F (white/yellow-white) |
|
Pri motion ra |
+010 |
|
Sec motion ra |
+011 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
+001 |
|
Notes |
T
(Parallax indicates physical) |
|
rPM=0.091 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3575-01826-1 |
|
Gaia DR2 |
2163253981941534336 |
|
WDS 20514+4519 ARG 40 : 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 |
20514+4519 |
ARG 40 |
|
2004 |
19 |
251 |
9.4 |
9.35 |
10.29 |
A5 F |
D |
205121.57+451903.3 |
20514+4519 |
ARG 40 |
|
2010 |
22 |
251 |
8.9 |
9.35 |
10.29 |
A5+F |
|
205121.57+451903.3 |
20514+4519 |
ARG 40 |
|
2015 |
23 |
250 |
9.2 |
9.35 |
10.29 |
A5+F |
W |
205121.57+451903.3 |
20514+4519 |
ARG 40 |
|
2018 |
25 |
250 |
9.2 |
9.35 |
10.29 |
A5+F |
W |
205121.57+451903.3 |
If you need more information about this double, apply for a
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WDS 20514+4519 ARG 40 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20514+4519 ARG 40 : MEASURES
No records found.
WDS 20514+4519 : VIRTUAL EYEPIECE
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WDS 20514+4519 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.