В Интернете доступна французская база данных CDS (Центр Звездных Данных)
http://simbad.cds.unistra.fr/simbad/sim-fid
Вбиваем del Leo или del And. Получаем
Basic data :*
del Leo — High Proper Motion StarOther object types:* (*,AG,…), ** (BDS,CCDM,…), PM* (LTT,LSPM,…), V* (CSV,NSV), UV (TD1), NIR (2MASS), IR (IRC)
ICRS coord.
(ep=J2000) :11 14 06.50142 +20 31 25.3853 (Optical) [ 2.64 1.84 90 ] A 2007A&A…474..653V FK4 coord. (ep=B1950 eq=1950) :11 11 27.08578 +20 47 52.7869 [ 2.64 1.84 90 ]
Gal coord. (ep=J2000) :224.22851480 +66.82752209 [ 2.64 1.84 90 ]
Radial velocity / Redshift / cz :
V(km/s) -20.90 [0.6] / z(~) -0.000070 [0.000002] / cz -20.90 [0.60]
A 2006AstL…32..759Gи
Basic data :*
del And — Spectroscopic BinaryOther object types:
* (*,AG,…),
** (ADS,CCDM,…),
SB* (
2004A&A,SBC7,…),
IR (IRAS,IRC,…),
PM* (
2018yCat,LSPM),
V* (NSV),
UV (TD1),
NIR (2MASS)
ICRS coord.
(ep=J2000) :00 39 19.6751809 +30 51 39.678320 (Optical) [ 0.13 0.11 90 ] A 2007A&A…474..653V FK4 coord. (ep=B1950 eq=1950) :00 36 38.9198080 +30 35 15.507264 [ 0.13 0.11 90 ]
Gal coord. (ep=J2000) :119.8694334676 -31.9387055332 [ 0.13 0.11 90 ]
Radial velocity / Redshift / cz :
V(km/s) -9.88 [0.15] / z(~) -0.000033 [0.000001] / cz -9.88 [0.15]
A 2008AJ….135..209M