COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 2054 Konkoly Observatory Budapest 1981 December 9 HU ISSN 0374-0676 ADDITIONAL AND NEWLY-NAMED VARIABLES IN TWO OBJECTIVE-PRISM M-EMISSION-STAR LISTS The extensive lists of discoveries of M-type stars showing hydrogen emission lines published some time ago by Stock and Wroblewski (1972) and Bidelman and MacConnell (1973) contain, as anticipated, many variable stars. In subsequent years a considerable number of additional objects in these lists have been discovered to be variable or given definitive names. Tables I and II list the Stock-Wroblewski and Bidelman- MacConnell objects that are, to the writer's knowledge, either recently discovered to be variable, recently named, or whose variable nature was not mentioned in the original lists. Three of the objects classed as Me deserve special mention: S-W IId-8 and IId-17 are AS 283 and 295 respectively (Merrill and Burwell 1950). The former is considered a Be star by Herbig (1969) and Sanduleak (1976), while the latter exhibits He II lambda4686 and H emission according to Bidelman and MacConnell (1973) and Sanduleak and Stephenson (1973). Further, the B-M object at alpha = 9h35.8m, delta = - 40d37' (1900) is undoubtedly the proper-motion star CoD - 40d5404 = CPD - 40d3789 = LHS 2166 = G1 358 and is thus an Me dwarf rather than a Mira variable. WILLIAM P. BIDELMAN Warner and Swasey Observatory Case Western Reserve University Cleveland, Ohio 44106 USA References: Bidelman, W. P. and MacConnell, D. J., 1973, Astron. J. 78, 687. [BIBCODE 1973AJ.....78..687B ] Herbig, G. H., 1969, Proc. Nat. Acad. Sci. 63, 1045 (Lick Obs. Contr. No. 299). [BIBCODE 1969PNAS...63.1045H ] Merrill, P. W. and Burwell, C. G., 1950, Astrophys. J. 112, 72. [BIBCODE 1950ApJ...112...72M ] Sanduleak, N., 1976, Publ. Warner and Swasey Obs. 2, No. 3. [BIBCODE 1976PW&SO...2...57S ] Sanduleak, N. and Stephenson, C. B., 1973, Astrophys. J. 185, 899. [BIBCODE 1973ApJ...185..899S ] Stock, J. and Wroblewski, H., 1972, Publ. Dep' t. Astr. Univ. Chile 2 No. 3. [BIBCODE 1972PDAUC...2c..59S ] TABLE I ADDITIONAL AND NEWLY-NAMED VARIABLES IN STOCK AND WROBLEWSKI ------------------------------------------------------------ Designation Designation Designation Variable Variable Variable ------------------------------------------------------------ Id- 2 V389 Ara Id-72 MW Aps IId- 68 V640 CrA - 3 CN Ara -74 CV Aps - 73 V669 CrA - 7 EX TrA -75 EO Aps - 74 V646 CrA - 8 CP TrA -77 V362 Car - 75 V543 CrA -10 V615 Ara -79 CN Mus - 77 V426 CrA Id-13 V771 Ara Id-82 FW Aps IId- 78 V443 CrA -15 CSV 4212 -84 YY Cha - 79 CSV 4406 -16 ER TrA -86 CSV 2246 - 80 CSV 4439 -20 NX Pav -89 T Aps - 84 V388 CrA -23 V755 Ara -90 WY Aps - 85 V688 CrA Id-25 HN TrA Id-91 CL Cha IId- 90 V423 CrA -27 V631 Ara -92 CSV 2118 - 91 V544 CrA -28 V471 Ara -93 GG Aps - 93 V627 CrA -30 FY TrA -94 AC Aps - 94 V671 CrA -36 IS TrA -95 CSV 7178 - 95 V685 CrA Id-38 DS Mus Id-96 BE Aps IId- 99 CSV 3788 -40 TZ Aps -97 CG Aps -100 CSV 3802 -43 CSV 1318 IId- 4 OU Sgr -101 OW Tel -45 V351 Car - 6 V2407 Sgr -103 BH Ara: -46 CSV 1678 -19 V3679 Sgr -104 BN Ara Id-47 BV 832 IId-34 V3873 Sgr IId-105 V641 Ara -49 CSV 1739 -35 V3434 Sgr -106 TT Ara -53 CE Aps -40 V2833 Sgr -107 CSV 3753 -54 DS Aps -41 V3190 Sgr -108 GV Tel -55 CSV 1662 -44 V3551 Sgr -109 NY Tel Id-56 CSV 1706 IId-50 V3018 Sgr IId-111 V Ara -57 V352 Car -52 V1165 Sgr -112 CSV 3656 -58 CSV 1733 -54 V3366 Sgr -113 CSV 4139 -59 CSV 1893 -55 V3746 Sgr -115 BN Tel -63 PR Car -56 V2334 Sgr -117 BV 1633 Id-64 V339 Car IId-57 V2335 Sgr IId-123 BE Tel -65 CP Mus -58 * -124 BM Tel -67 VZ Aps -59 V1979 Sgr -125 CSV 2916 -69 PQ Car -62 GZ CrA -127 PQ Ara -71 CR Mus -67 V434 CrA -129 PQ Tel * V2337 or V3933 Sgr TABLE I (cont.) ------------------------------------------------------------- Designation Designation Designation Variable Variable Variable ------------------------------------------------------------- IId-131 CSV 2952 IIId-56 CSV 1513 IVd-111 CSV 1580 -133 V798 Ara IVd- 3 V1353 Oph -112 GQ Vel -134 V561 Ara - 4 CSV 2514 -113 GN Vel -135 CSV 3462 -10 GM Sco -115 CSV 2245 -143 V639 Ara -15 V2100 Oph -116 CSV 2266 IId-145 BG Tel IVd-16 GM Oph: IVd-118 CSV 1708 -146 V768 Ara -19 V873 Sco -120 CSV 1720 -149 SX Ara -20 V860 Sco -124 CSV 2296 -150 AY Tel -21 CO Oph -125 HH Lup -151 V650 Ara -22 CSV 2529 -127 CSV 1526 IId-156 CSV 3254 IVd-23 V857 Sco IVd-131 CSV 1933 -162 V371 Ara -25 U882 Sco -139 CSV 1728 -163 CSV 2843 -37 U Lup -141 V507 Cen -164 V776 Ara -38 V875 Sco -146 CSV 2007 -170 DX Ara -45 CSV 2286 -148 CSV 1585 IId-171 DZ Ara IVd-47 CZ Sco IVd-149 CSV 1714 IIId-14 V CMa -50 AA Ant -151 CSV 1992 -20 SY Col -55 BF Hya -152 BV 737: -29 KW Car -57 KR Sco -155 CSV 2262 -31 V342 Car -58 BH Hya -157 CSV 1745 IIId-36 CSV 1445 IVd-65 AC Ant IVd-158 CSV 1976 -38 IY Car -71 V880 Sco -166 CSV 1911 -39 KX Car -80 V800 Cen -169 CSV 1823 -44 UV Vol -86 CSV 2308 -170 CSV 1726 -45 V346 Car -89 CSV 2507 V - 65 U Scl IIId-46 CSV 1560 IVd-90 AD Ant IIId-34 CSV 1283 -47 CSV 1614 -93 CSV 2070 -48 UU Vol -98 RS Ant -50 V335 Car -102 BV 1378 -51 CSV 6650 -107 CSV 2243: -------------------------------------------------------------- TABLE II ADDITIONAL AND NEWLY-NAMED VARIABLES IN BIDELMAN AND MacCONNELL -------------------------------------------------- alpha(1900) Variable alpha(1900) Variable -------------------------------------------------- 5 21.2 SV Lep 15 58.7 IS TrA 5 40.8 SX Pic 15 59.6 V864 Sco 6 24.4 SY Col 16 5.0 V872 Sco 6 38.6 V340 Car 16 6.5 V874 Sco 7 32.8 PP Pup 16 9.1 V894 Sco 7 56.9 NR Pup 16 18.9 IU TrA 8 13.1 NN Pup 16 22.2 PP Nor 8 17.7 UV Vol 16 34.6 V880 Sco 8 26.8 V342 Car 16 40.6 V629 Ara 8 30.1 V336 Car 16 40.9 V630 Ara 8 39.2 UU Pyx 16 50.3 GH Aps 8 41.4 UV Pyx 16 53.8 V614 Ara 9 24.8 ZZ Ant 17 3.7 V1482 Oph 9 33.2 ST Hya 17 9.7 V505 Oph 10 1.5 AA Ant 17 23.5 V638 Ara 10 10.8 GQ Vel 17 31.9 V619 Ara 10 17.1 AC Ant 17 33.0 V639 Ara 10 19.2 GR Vel 17 42.4 V640 Ara 10 25.7 AD Ant 18 24.6 V3841 Sgr 10 41.7 V335 Car 18 27.9 V670 CrA 11 4.0 V352 Car 18 31.7 NX Pav 11 29.4 CK Cha 18 36.7 NY Pav 11 32.4 BV 1208 18 38.6 NX Tel 12 18.5 EK Mus 18 58.6 NY Tel 13 44.0 V773 Cen 19 15.5 NZ Tel 14 13.0 IP Hya 19 27.0 V3881 Sgr 14 46.9 V799 Cen 19 30.5 V3882 Sgr 14 56.6 V776 Cen 19 33.4 V3883 Sgr 15 19.0 IP TrA 19 35.5 V3884 Sgr 15 22.1 GP Lup 19 50.3 NO Pav 15 33.3 HK TrA 19 51.7 V3887 Sgr 15 42.7 HL TrA 21 2.6 AV Ind 15 43.8 IR TrA 21 39.2 AH Cap 15 50.6 GR Lup 22 57.9 BR Tuc --------------------------------------------------