Basic Parameters of NGC663 (WEBDA):
- Right Ascension (2000): 01 46 09
- Declination (2000): +61 14 06
- Galactic longitude: 129.467
- Galactic latitude: -0.941
- Distance [pc]: 1952
- Reddening [mag]: 0.780
- Distance modulus [mag]: 13.87
- Log Age: 7.209
SPB stars
- NGC663 W41
- Sp. Type:
- V [mag]:
- References:
- Pigulski A., Kopacki G., Kołaczkowski Z. 2001, Acta Astron., 51, 159, "A CCD search for variable stars of spectral type B in the Northern hemisphere open clusters. IV. NGC 663."