Open Access

Table 1

Properties of the Arp 65 pair.

Propertya Units NGC 90 NGC 93

Vradial(optical) [km s-1] 5197 ± 25 5643 ± 20
RA [h:m:s] 00:21:51.4 00:22:03.2
Dec [d:m:s] +22:24:00.0 +22:24:29.0
Distanceb [Mpc] 73 73
D25 major/minor [arcmin] 1.9 × 0.8 1.4 × 0.6
D25 major/minor [kpc] 39.0 × 16.4 28.7 × 12.3
Inclination [°] 34.5 59.3
Morphology SABc S?
BT [B-band mag] 14.54 ± 0.13 14.34 ± 0.13
Stellar mass M [1010 M] 4.7 14

Notes.

(a)

All data are from NED, except for Vradial(optical) and inclination which are from Hyperleda.

(b)

Method detailed in Sect. 1.

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