02564-1722 LDS 3442
02h 56m 25.67s -17° 22' 17.6" P.A. 290.00 sep 12.2 mag 15.77,19.10
| Coord 2000 | 02564-1722 | Discov num | LDS3442 | Comp | Coord arcsec 2000 | 02 56 25.67 -17 22 17.6 | |||||
| Date first | 1960 | Date last | 2016 | Obs | 8 | ||||||
| Pa first | 288 | Pa last | 289.8 | P.A. Now (θ) | 289.8° | ||||||
| Sep first | 12.0 | Sep last | 12.201 | Sep. Now (ρ) | 12.201" | ||||||
| Mag pri | 15.77 | Mag sec | 19.10 | delta mag (ΔM) | 3.33 | Spectral class | |||||
| Pri motion ra | -161 | Sec motion ra | -161 | ||||||||
| Pri motion dec | -120 | Sec motion dec | -120 | ||||||||
| Notes | N (See Notes) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Eridanus | Gaia DR2 | 5153402688625238656 |
WDS 02564-1722 LDS 3442 : NOTES
| discov_num | notes | refcode |
| LDS3442 | NLTT 9390/9388 | Chm2004 |
REFERENCES
| refcode | metd | author | reference |
| Chm2004 | E - | Chaname, J. & Gould, A. | 2004ApJ...601..289C |
| Chm2004 | ApJ 601, 289, 2004 | ||
| Chm2004 | (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early | ||
| Chm2004 | versions of 2MASS and UCAC, with date given only as "circa 2000". Measures | ||
| Chm2004 | identical to discovery observations - predominantly close pairs - were assumed | ||
| Chm2004 | not new observations, so not included in WDS. Similar concerns when primary and | ||
| Chm2004 | secondary magnitudes or proper motions were the same.) |
DISCOVERER
| idgroup | discov | author |
| 1 | LDS | Luyten p.m. catalog (from additional DD list) |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 02564-1722 | LDS3442 | 2000 | 3 | 289 | 12.1 | 15.77 | 19.10 | D | 025625.67-172217.6 | ||
| 02564-1722 | LDS3442 | 2010 | 4 | 290 | 12.1 | 15.77 | 19.10 | N | 025625.67-172217.6 | ||
| 02564-1722 | LDS3442 | 2015 | 5 | 290 | 12.2 | 15.77 | 19.10 | N | 025625.67-172217.6 | ||
| 02564-1722 | LDS3442 | 2016 | 8 | 290 | 12.2 | 15.77 | 19.10 | N | 025625.67-172217.6 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 02564-1722 LDS 3442 : VISUAL OBSERVATIONS REPORTS
WDS 02564-1722 LDS 3442 : MEASURES
WDS 02564-1722 : VIRTUAL EYEPIECE
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WDS 02564-1722 : ALADIN DSS IMAGE @
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