13557-0925 J 1609 AB
13h 55m 43.46s -09° 25' 05.8" P.A. 280.00 sep 10.7 mag 10.98,11.31
| Coord 2000 | 13557-0925 | Discov num | J 1609 | Comp | AB | Coord arcsec 2000 | 13 55 43.46 -09 25 05.8 | ||||
| Date first | 1896 | Date last | 2016 | Obs | 15 | ||||||
| Pa first | 279 | Pa last | 280 | P.A. Now (θ) | 280° | ||||||
| Sep first | 9.9 | Sep last | 10.689 | Sep. Now (ρ) | 10.689" | ||||||
| Mag pri | 10.98 | Mag sec | 11.31 | delta mag (ΔM) | 0.33 | Spectral class | |||||
| Pri motion ra | -030 | Sec motion ra | -033 | ||||||||
| Pri motion dec | -011 | Sec motion dec | -013 | ||||||||
| Notes | N (See Notes) | ||||||||||
13557-0925 SYSTEM COMPONENTS
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 13 55 43 -09 25 06 | RAP 19 Aa,Ab | 2019 | 6 | 67 | 0.1 | 11.50 | 12.00 | 0.50 | ||||
| Show | 13 55 43 -09 25 06 | J 1609 AB | 2016 | 15 | 280 | 10.7 | 10.98 | 11.31 | 0.33 | <=== |
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Virgo | Gaia DR2 | 3615655515910999680 |
WDS 13557-0925 J 1609 AB : NOTES
| discov_num | notes | refcode |
| RAP 19 | Aa,Ab: EPIC 212651213. The primary of J 1609 consists of two eclipsing | |
| binaries, resolved at a separation of ~90mas: | ||
| Aa1,Aa2: P = 5.08d, M = 0.94 +/- 0.06 and 0.89 +/- 0.05 Msun | ||
| Ab1,Ab2: P = 13.19d, M = 1.09 +/- 0.07 and 0.64 +/- 0.03 Msun. | ||
| Resolved pair has estimated period ~65y and separation of ~25au. | Rap2016 | |
| J 1609 | AB: EPIC 212651213 + 212651234. The B component is single. | Rap2016 |
REFERENCES
| refcode | metd | author | reference |
| Rap2016 | Ag j | Rappaport, S., Lehmann, H., Kalomeni, B., Borkovits, T., Latham, D., Bieryla, A., | 2016MNRAS.462.1812R |
| Rap2016 | +S | Ngo, H., Mawet, D., Howell, S., Horch, E., Jacobs, T.L., LaCourse, D., et al. | |
| Rap2016 | +RV | MNRAS 462, 1812, 2016 |
DISCOVERER
| idgroup | discov | author |
| 1 | J | Jonckheere, R. |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 13557-0925 | J 1609 | AB | 2016 | 11 | 280 | 10.7 | 10.98 | 11.31 | N | 135543.46-092505.8 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 13557-0925 J 1609 AB : VISUAL OBSERVATIONS REPORTS
WDS 13557-0925 J 1609 AB : MEASURES
WDS 13557-0925 : VIRTUAL EYEPIECE
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WDS 13557-0925 : ALADIN DSS IMAGE @
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