20538+1451 BPM 2287
20h 53m 47.26s +14° 50' 46.5" P.A. 315.00 sep 51.9 mag 13.41,14.08
| Coord 2000 | 20538+1451 | Discov num | BPM2287 | Comp | Coord arcsec 2000 | 20 53 47.26 +14 50 46.5 | |||||
| Date first | 1991 | Date last | 2016 | Obs | 10 | ||||||
| Pa first | 315 | Pa last | 315 | P.A. Now (θ) | 315° | ||||||
| Sep first | 51.7 | Sep last | 51.917 | Sep. Now (ρ) | 51.917" | ||||||
| Mag pri | 13.41 | Mag sec | 14.08 | delta mag (ΔM) | 0.67 | Spectral class | |||||
| Pri motion ra | +024 | Sec motion ra | +020 | ||||||||
| Pri motion dec | -009 | Sec motion dec | +011 | ||||||||
| Notes | N V (See Notes, Proper motion indicates physical) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Delphinus | Gaia DR2 | 1761917424453314688 |
WDS 20538+1451 BPM 2287 : NOTES
| discov_num | notes | refcode |
| BPM2287 | [PM2000] 2415723 + [PM2000] 2415593. | 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 |
| 20538+1451 | BPM2287 | 2000 | 2 | 315 | 52.0 | 13.41 | 14.08 | NV | 205347.26+145046.5 | ||
| 20538+1451 | BPM2287 | 2001 | 3 | 315 | 51.9 | 13.41 | 14.08 | NV | 205347.26+145046.5 | ||
| 20538+1451 | BPM2287 | 2010 | 4 | 315 | 52.0 | 13.41 | 14.08 | NV | 205347.26+145046.5 | ||
| 20538+1451 | BPM2287 | 2015 | 5 | 315 | 52.0 | 13.41 | 14.08 | NV | 205347.26+145046.5 | ||
| 20538+1451 | BPM2287 | 2016 | 10 | 315 | 51.9 | 13.41 | 14.08 | NV | 205347.26+145046.5 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 20538+1451 BPM 2287 : VISUAL OBSERVATIONS REPORTS
WDS 20538+1451 BPM 2287 : MEASURES
WDS 20538+1451 : VIRTUAL EYEPIECE
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WDS 20538+1451 : 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
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