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Table 1
Main parameters of the target galaxies and observations.
| NGC 4621 | NGC 4374 | |
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| Galaxy parameters | ||
| RA(J2000)1 | 12h42m02.3s | 12h25m03.7s |
| Dec(J2000)1 | +11d38m49s | +12d53m13s |
| Galaxy Type2 | E5 | E |
| Morphological T-Type2 | –4.8 | –4.3 |
| Absolute B-band magnitude2 | –20.5 | –21.0 |
| SNe Ia events | SN1939B | SN1957B, SN1991bg |
| cz1 (km s-1, Heliocentric) | 410 ± 6 | 1060 ± 6 |
| E(B − V)3 | 0.033 mag | 0.040 mag |
| (V − I)4 | 1.172 ± 0.018 | 1.191 ± 0.008 |
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| Observations | ||
| Filter | Exposure time (s) | Exposure time (s) |
| B | 3375 | 2250 |
| V | 3375 | 2250 |
| R | 2376 | 1584 |
Notes.
(1)
Data retrieved from NED (http://nedwww.ipac.caltech.edu).
(2)
Hyperleda (http://leda.univ-lyon1.fr).
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