21157-0114 STF 2778 AB (HD 202405)
21h 15m 39.18s -01° 14' 09.7" P.A. 284.00 sep 18.4 mag 8.71,10.90 Sp F2
| Coord 2000 |
21157-0114 |
|
Discov num |
STF2778 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 15 39.18 -01 14 09.7 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
24 |
|
| Pa first |
267 |
|
Pa last |
284.4 |
|
P.A. Now (θ) |
284.4° |
|
| Sep first |
21.2 |
|
Sep last |
18.355 |
|
Sep. Now (ρ) |
18.355" |
|
| Mag pri |
8.71 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
2.19 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
-022 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-048 |
|
Sec motion dec |
-018 |
|
| Notes |
|
|
rPM=0.663
Nature of this double is uncertain.
21157-0114 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 202405 |
145245 |
21 15 39 -01 14 10 |
STF 2778 AB |
2015 |
24 |
284 |
18.4 |
8.71 |
10.90 |
2.19 |
|
<=== |
| Show |
|
145245 |
21 15 39 -01 14 10 |
STF 2778 AC |
2015 |
7 |
264 |
69.0 |
8.71 |
12.53 |
3.82 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 202405 |
|
Constellation |
Aquarius |
|
SAO |
145245 |
|
Tycho2 |
5194-00740-1 |
|
| Gaia DR2 |
2688832565918400512 |
|
HD |
202405 |
|
GC |
29728 |
|
WDS 21157-0114 STF 2778 AB (HD 202405) : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| STFA |
|
(F. Struve DD - Appendix list #1) |
................... |
| STFB |
|
(F. Struve DD - Appendix list #2) |
................... |
| StF1833A |
Ma - |
Struve, F.G.W. |
1833MmRAS...5...13H |
| StF1833A |
+Mc |
cited by Herschel (MemRAS 5, 13, 1833) |
|
| StF1833B |
Ma - |
Struve, F.G.W. |
1833AN.....10..389B |
| StF1833B |
|
cited by Bessel (AN 10, 389, 1833) |
|
| StF1837 |
Ma - |
Struve, F.G.W. |
1837AN.....14...249 |
| StF1837 |
|
Stellarum duplicium et multiplicium mensurae micrometricae... |
|
| StF1837 |
|
(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837 |
|
| StF1844A |
Ma - |
Struve, F.G.W. |
1844QB43.S66....... |
| StF1844A |
|
cited by Smyth (Cycle of Celestial Objects 2, 1844) |
|
| StF1852A |
Ma - |
Struve, F.G.W. |
. |
| StF1852A |
|
cited by Bishop (Bishop Obs. Astron. Observations 1852) |
|
| StF1865A |
Ma - |
Struve, F.G.W. |
1865AN.....64...81E |
| StF1865A |
|
cited by Engelmann (AN 64, 81, #1518, 1865) |
|
| StF1875A |
Ma - |
Struve, F.G.W. |
1875AN.....85..323D |
| StF1875A |
|
cited by Doberck, 1875 (see Dob1875b,f,g,h) |
|
| StF1878 |
Ma - |
Struve, F.G.W. |
. |
| StF1878 |
|
Pulkova Observations 9, 1878 |
|
| StF1878B |
Ma - |
Struve, F.G.W. |
1878Obs.....2..239G |
| StF1878B |
|
cited by Gledhill (Obs 2, 239, 1878) |
|
| StF1880A |
Ma - |
Struve, F.G.W. |
1880Obs.....3..535G |
| StF1880A |
|
cited by Gledhill (Obs 3, 535, 1880) |
|
| StF1906A |
Ma - |
Struve, F.G.W. |
1906QB821.B972..... |
| StF1906A |
|
cited in BDS (Burnham Double Star Cat.), 1906 |
|
| StF1906B |
Ma - |
Struve, F.G.W. |
1906MmRAS..56....1L |
| StF1906B |
|
cited by Lewis (MemRAS 56, 1, 1906) |
|
| StF1922A |
Ma - |
Struve, F.G.W. |
1922AN....216...49R |
| StF1922A |
|
cited by Rabe (AN 216, 49, 1922) |
|
| StF1932A |
Ma - |
Struve, F.G.W. |
1932QB821.A43...... |
| StF1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
| StF2002 |
- - |
Weis, J. |
|
| StF2002 |
|
F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue |
|
| StF2002 |
|
USNO Library : QB 821 .S8 W49 2002 |
|
| StF2022 |
- - |
email note from Jan Weis: 6 July 2022 |
|
| StF9999 |
Ma - |
Struve, F.G.W. |
................... |
| StF9999 |
|
Unpublished, manuscript or reference not found. |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 21157-0114 |
STF2778 |
AB |
1998 |
18 |
283 |
18.6 |
8.71 |
10.90 |
F2 |
D |
211539.18-011409.7 |
| 21157-0114 |
STF2778 |
AB |
2010 |
20 |
285 |
18.3 |
8.71 |
10.90 |
F2 |
D |
211539.18-011409.7 |
| 21157-0114 |
STF2778 |
AB |
2015 |
22 |
284 |
18.4 |
8.71 |
10.90 |
F2 |
|
211539.18-011409.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21157-0114 STF 2778 AB (HD 202405) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21157-0114 STF 2778 AB (HD 202405) : MEASURES
No records found.
WDS 21157-0114 (HD 202405) : 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 21157-0114 (HD 202405) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
