20458+0445 BAL 2971
20h 45m 43.17s +04° 44' 59.5" P.A. 21.00 sep 17.1 mag 11.83,11.36
| Coord 2000 |
20458+0445 |
|
Discov num |
BAL2971 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 43.17 +04 44 59.5 |
|
| Date first |
1910 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
31 |
|
Pa last |
21.4 |
|
P.A. Now (θ) |
21.4° |
|
| Sep first |
18.7 |
|
Sep last |
17.094 |
|
Sep. Now (ρ) |
17.094" |
|
| Mag pri |
11.83 |
|
Mag sec |
11.36 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
|
|
| Pri motion ra |
+019 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=1.426
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
0520-01868-1 |
|
Gaia DR2 |
1735234029592016896 |
|
WDS 20458+0445 BAL 2971 : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Bal1924 |
Ma - |
Baillaud, R. |
1924JO......7..117B |
| Bal1924 |
|
J. Obs. 7, 117, 1924 |
|
| Bal1925 |
Ma - |
Baillaud, R. |
1925JO......8...53B |
| Bal1925 |
|
J. Obs. 8, 53, 1925 |
|
| Bal1925b |
Ma j |
Baillaud, R. |
1925JO......8...56B |
| Bal1925b |
|
J. Obs. 8, 56, 1925 |
|
| Bal1926 |
Ma - |
Baillaud, R. |
1926JO......9..129P |
| Bal1926 |
|
J. Obs. 9, 129, 1926 |
|
| Bal1937A |
Ma - |
Baillaud, R. |
1937AnLei..18....1S |
| Bal1937A |
|
cited by Strand (Ann. Sterrew. Leiden 18, 1937) |
|
| Bal1944 |
C - |
Baillaud, R. |
1944AnBes...3...33B |
| Bal1944 |
+Pa |
Ann. Obs. Besancon New Ser. 3, 33, 1943 |
|
| Bal1944 |
+Po |
|
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 20458+0445 |
BAL2971 |
|
2000 |
3 |
23 |
17.1 |
11.83 |
11.36 |
|
D |
204543.17+044459.5 |
| 20458+0445 |
BAL2971 |
|
2013 |
5 |
22 |
17.0 |
11.83 |
11.36 |
|
|
204543.17+044459.5 |
| 20458+0445 |
BAL2971 |
|
2015 |
7 |
21 |
17.1 |
11.83 |
11.36 |
|
|
204543.17+044459.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20458+0445 BAL 2971 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20458+0445 BAL 2971 : MEASURES
No records found.
WDS 20458+0445 : VIRTUAL EYEPIECE
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|
WDS 20458+0445 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
