20556+1744 BPM 2297
20h 55m 33.21s +17° 43' 53.1" P.A. 91.00 sep 30.5 mag 14.04,15.05
| Coord 2000 | 20556+1744 | Discov num | BPM2297 | Comp | Coord arcsec 2000 | 20 55 33.21 +17 43 53.1 | |||||
| Date first | 1995 | Date last | 2015 | Obs | 8 | ||||||
| Pa first | 91 | Pa last | 91.3 | P.A. Now (θ) | 91.3° | ||||||
| Sep first | 30.7 | Sep last | 30.526 | Sep. Now (ρ) | 30.526" | ||||||
| Mag pri | 14.04 | Mag sec | 15.05 | delta mag (ΔM) | 1.01 | Spectral class | |||||
| Pri motion ra | -023 | Sec motion ra | -027 | ||||||||
| Pri motion dec | -014 | Sec motion dec | -021 | ||||||||
| Notes | N V (See Notes, Proper motion indicates physical) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Delphinus | Gaia DR2 | 1764774166116617856 |
WDS 20556+1744 BPM 2297 : NOTES
| discov_num | notes | refcode |
| BPM2297 | [PM2000] 2421454 + [PM2000] 2421562. | Gvr2010 |
REFERENCES
| refcode | metd | author | reference |
| Gvr2010 | Pa - | Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C. | 2010A&A...521A 4G |
| Gvr2010 | +T | A&A 521, A4, 2010 | |
| Gvr2010 | (Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000 | ||
| Gvr2010 | catalogs, spanning years ~1900-2000) |
DISCOVERER
| idgroup | discov | author |
| 1 | BPM | Bordeaux PM2000 catalogue (main catalog: separation < 2') |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20556+1744 | BPM2297 | 2000 | 2 | 91 | 30.6 | 14.04 | 15.05 | NV | 205533.21+174353.1 | ||
| 20556+1744 | BPM2297 | 2001 | 3 | 91 | 30.6 | 14.04 | 15.05 | NV | 205533.21+174353.1 | ||
| 20556+1744 | BPM2297 | 2010 | 4 | 91 | 30.6 | 14.04 | 15.05 | NV | 205533.21+174353.1 | ||
| 20556+1744 | BPM2297 | 2015 | 5 | 91 | 30.5 | 14.04 | 15.05 | NV | 205533.21+174353.1 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 20556+1744 BPM 2297 : VISUAL OBSERVATIONS REPORTS
WDS 20556+1744 BPM 2297 : MEASURES
WDS 20556+1744 : VIRTUAL EYEPIECE
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WDS 20556+1744 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
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Error -22130
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Error -27220
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Error -27220
Not valid ID.