WDS 22434+6744 HJ 1807 AB (HD 215440) : NOTES
 
 
discov_num notes refcode
HJ 1807 AB: HJL 308. HJL1986
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
 
 
DISCOVERER
 
 
discov author
HJ Herschel, J.F.W.
HJL Halbwachs, J.L., Boffin, H.M.J., Le Bouquin, J.-B., Kiefer, F., Famaey, B.,
HJL Salomon, J.-B., Arenou, F., Pourbaix, D., Anthonioz, F., Grellmann, R., Guieu, S.,
HJL Sana, H., et al.
HJL Halbwachs, J.-L., Kiefer, F., Lebreton, Y., Boffin, H.M.J., Arenou, F., LeBouquin,
HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
22434+6744 HJ 1807 AB 1999 15 188 23.4 8.74 10.29 A2 +66 1539 DV 224325.98+674419.7
22434+6744 HJ 1807 AB 2010 17 188 23.5 8.74 10.29 A2 +66 1539 NVD 224325.98+674419.7
22434+6744 HJ 1807 AB 2015 19 187 23.9 8.74 10.29 A2 +66 1539 NV 224325.98+674419.7

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