Constellation Pyxis (Compass)

Pyxis
Pyxis: IAU Constellation Map [150]

Properties

Pyxis is between Antlia and Puppis, north of Vela. It is an inconspicuous constellation made up of stars of almost 4th magnitude. The area is 221 square degrees and the center culminates around midnight on February 3rd. [9, 15]

Data for constellation Pyxis [150]
IAU NamePyxis
IAU GenitivePyxidis
IAU Abbr.Pyx
English NameCompass
Season (47° N)December … March
Right Ascension8h 26m 43s … 9h 27m 38s
Declination-37° 17' 32" … -17° 24' 41"
Area221 deg2
Neighbours (N↻)Hya, Pup, Vel, Ant

History

Pyxis is the smallest and most inconspicuous part of the original constellation Argo Navis, dissolved in 1752 by Abbé Nicolas Louis de Lacaille. The importance of the magnetic compass needle for seafaring is undisputed, although the Argo Navis certainly did not have a compass on board at the time. Pyxis is the Latin term for can or compass case. [7, 21]

Catalogs

Yale Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) [154]
HR B F RA [hms] Dec [dms] vMag spType dMag Sep ["]
3420η08 37 52.2-26 15 185.27 A0V 7.816.0
3433ζ08 39 42.5-29 33 404.89 G4III 4.252.4
3438β08 40 06.2-35 18 303.97 G7Ib-II 8.512.6
3468α08 43 35.5-33 11 113.68 B1.5III
3518γ08 50 31.9-27 42 364.01 K3-III
3556δ08 55 31.5-27 40 554.89 A3IV 9.123.8
3628κ09 08 02.9-25 51 304.58 K4III 5.22.1
3644ε09 09 56.4-30 21 555.59 A4IV-V 4.317.6
3718θ09 21 29.6-25 57 564.72 M1III
3733λ09 23 12.3-28 50 024.69 G8.5IIICN-1.5*

«Revised New General Catalogue and Index Catalogue», Dr. Wolfgang Steinicke, 2021 [277]
NameRADecTypeBmagVmagDimDreyer DescriptionIdentification
NGC 2613 08 33 22.8-22 58 22Gx (Sb)11.210.36.50 × 1.4cB, L, vmE 110°ESO 495-18, MCG -4-21-3, UGCA 141, IRAS 08311-2248, AM 0831-224, CGMW 2-3822
NGC 2627 08 37 15.0-29 57 18OCL (III2m)8.49.00Cl, cL, pRi, pC, st 11…13OCL 714, ESO 431-SC20
NGC 2635 08 38 25.9-34 46 18OCL (I3p)11.23.00Cl, pmC, irr Δ, st 13…OCL 728, ESO 371-SC1
NGC 2658 08 43 27.3-32 39 22OCL (II2m)9.210.00Cl, pS, lRi, lC, iF, st 12·13OCL 723, ESO 432-SC4
NGC 2663 08 45 08.3-33 47 42Gx (E3)11.610.63.50 × 2.4pF, pS, lEESO 371-14, MCG -6-20-1
NGC 2717 08 57 01.1-24 40 26Gx (E/SB0)13.412.32.10 × 1.5pF, S, R, vgpmbMESO 496-21, MCG -4-21-15, AM 0854-242
NGC 2772 09 07 41.8-23 37 10Gx (Sb)13.813.01.50 × 0.5eF, lE, lbMESO 497-14, MCG -4-22-2, AM 0905-232, IRAS 09054-2325
NGC 2818 09 16 10.0-36 37 34PN+OCL11.21.40! planetary, pB, pL, R, vglbM, in L ClPK 261+8.1, ESO 372-PN13, AM 0914-362, OCl 743
NGC 2821 09 16 47.8-26 49 00Gx (Sbc)13.913.12.00 × 0.5eF, * 11 attESO 497-34, MCG -4-22-7, IRAS 09145-2636
NGC 2883 09 25 18.4-34 06 08Gx (IBm)15.014.42.20 × 0.8vF, S, vglbM, rrr, st 15ESO 372-24, MCG -6-21-5, VV 768, AM 0923-335, IRAS 09232-3353
NGC 2888 09 26 19.6-28 02 10Gx (E3)13.612.61.50 × 1.1cF, S, R, gmbMESO 434-2, MCG -5-23-1
NGC 2891 09 26 56.6-24 46 58Gx (E-S0)13.512.61.50 × 1.4F, S, R, bMESO 498-8, MCG -4-23-3
IC 2469 09 23 01.4-32 26 59Gx (SBab)12.011.14.70 × 1.0pF, cS, mE, * 10 sp nrESO 433-17, MCG -5-22-8, UGCA 163, IRAS 09208-3214

References

7«Der grosse Kosmos-Himmelsführer» von Ian Ridpath und Wil Tirion; Kosmos Verlag; ISBN 3-440-05787-9
9«Drehbare Sternkarte SIRIUS» von H. Suter-Haug; Hallwag-Verlag, Bern
15«Hartung's Astronomical Objects for Southern Telescopes» by David Malin and David J. Frew; Melbourne University Press 1995; ISBN 0-522-84553-3
21«Taschenatlas der Sternbilder» von Josef Klepesta und Antonin Rükl; Verlag Werner Dausien; ISBN 3-7684-2384-0
150IAU: The Constellations, 11. Oktober 2020; iau.org/public/themes/constellations
154Yale Bright Star Catalog, 15. Oktober 2020; tdc-www.harvard.edu/catalogs/bsc5.html
277«Historische Deep-Sky Kataloge» von Dr. Wolfgang Steinicke; klima-luft.de/steinicke (2021-02-17)