Sample:
62 pairs + 6 "peeking bulges"
- neighbor analysis of
- UGC, RC3, RSA, ESO-LV, MCG, RNGC, NGC2000
- CPG (Paired Galaxy Catalogue - Karachentsev)
- Southern Galaxy Pairs catalogue (Zhenlong et al)
- inherently multiple entries in
- UGC, ESO-LV, RNGC, NGC2000
- visual inspection of
- Arp-Madore Catalogue
- Arp Atlas
- richest galaxy clusters (e.g. Shapley)
- anecdote
Telescope | Bands |
KPNO 2.1m | B, I, K' |
Lowell 42" | B, I |
CTIO 1.5m | U, B, I |