HE 1256-2738

HE 1256-2738 is a subdwarf located approximately 1,000 light years away in the constellation Hydra, with a surface temperature of approximately 38,000 °C (68,400 °F). Along with stars HE 2359-2844 and LS IV-14 116, HE 1256-2738 forms a new group of star called heavy metal subdwarfs.[2]

HE 1256-2738
Observation data Epoch J2000 Equinox J2000
Constellation	Hydra
Right ascension	+12^h 59^m 01.44^s[1]
Declination	−27° 54′ 18.5″[1]
Apparent magnitude (V)	16.46[1]
Distance	1000 ly (310 pc)
Spectral type	sdOB[1]
Other designations
HE 1256-2738, EC 12563-2738, USNO-B1.0 0620-00338249[1]
Database references
SIMBAD	data

References

"HE 1256-2738". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 17 January 2017.
"Astronomers Discover Two Heavy Metal Stars". Science News. August 2, 2013. Retrieved November 5, 2016.

Hydra constellation

Stars (list)

Bayer	α (Alphard) β γ δ ε (Ashlesha) ζ η θ ι (Ukdah) κ λ μ ν ξ ο π ρ σ (Minchir) τ¹ τ² υ¹ (Zhang) υ² φ¹ φ² φ³ χ¹ χ² ψ ω
Flamsteed	1 2 3 6 (a) 9 10 12 (D) 14 15 17 19 20 21 23 24 25 26 27 (P) 28 29 33 (A) 34 37 44 47 48 50 51 (k) 52 (l) 54 (m) 55 56 57 58 (E) 59 60 3 Crt (b¹) 5 Crt (b²) 6 Crt (b³) 8 Crt 10 Crt 17 Crt (N) 18 Crt 20 Crt 22 Crt 23 Crt 26 Crt 29 Crt 14 Lib 30 Mon (C) 31 Mon (F) 2 Sex
Variable	R S U V W X RT RW RX SX SZ TT TW VX VZ WZ AI AV CT DF EX EZ FG GK HQ HS II IL IY KU KZ LN LO LQ LR LV LX MO MX NS OY QT V335 V355 V406 V419 V478
HR	3212 3269 3271 3272 3285 3288 3295 3305 3338 3342 3374 3378 3383 3392 3411 3446 3458 3478 3480 3486 3493 3526 3529 3538 3554 3557 3564 3578 3584 3590 3596 3636 3638 3649 3651 3653 3675 3687 3704 3714 3741 3749 (G) 3750 3758 3760 3762 3763 3767 3772 3785 3788 3794 3796 3801 3802 3805 3808 3810 3822 3848 3858 (I) 3862 3908 3919 3921 3923 (Felis) 3931 3963 3965 3977 3986 3988 3991 4005 4011 4055 4068 4071 4076 4117 4123 4130 4149 4152 4157 4158 4162 4172 4190 4225 4261 4282 4298 4307 4328 4331 4339 4346 4373 4445 4498 4525 4542 4548 4553 4558 4579 4612 4628 4651 4723 4735 4774 4803 4810 4839 4857 4860 4918 4978 5090 5097 5098 5120 5128 5166 5167 5197 5209 5228 5246 5265 5309 5314 5324 5356 5399 5565
HD	68667 72659 74156 74685 75098 75217 76027 76478 78614 79481 79994 82943 83352 86226 86264 88806 90156 97344 105113 106500 107869 117033 121758 125279
Gliese	Gliese 328 Gliese 357 Gliese 433 Gliese 453 GJ 2066 GJ 3517 GJ 3634
Other	BD -3 2525 BD-22 3467 BD+02 2056 CE 315 EC 14026−2647 HAT-P-35 HAT-P-42 HE 1327-2326 IRC -20197 Kelu-1 LHS 2065 LHS 3003 2MASS 0835-08 2MASS 1114−2618 PSR B0820+02 PSR B0834+06 TWA 5 WASP-25 WASP-36 WISE 0855−0714 TOI 732

Star clusters

Open	Messier 48
Globular	Messier 68 NGC 5694

Nebulae

Planetary	Abell 33 NGC 2610 NGC 3242

Galaxies

Messier	83
NGC	2555 2561 2574 2583 2584 2585 2590 2612 2615 2616 2617 2618 2642 2644 2662 2665 2674 2690 2695 2696 2697 2698 2699 2706 2708 2709 2713 2716 2718 2721 2722 2723 2729 2754 2758 2763 2765 2781 2784 2811 2815 2817 2835 2847 2848 2850 2851 2855 2858 2861 2863 2864 2865 2868 2876 2877 2878 2881 2884 2889 2890 2897 2898 2900 2902 2907 2917 2920 2921 2924 2935 2936 2937 2945 2947 2951 2952 2956 2960 2962 2975 2983 2986 2989 2992 2993 2996 3025 3028 3030 3037 3045 3052 3054 3058 3072 3076 3078 3081 3085 3091 3096 3109 3112 3124 3127 3128 3133 3138 3139 3140 3141 3143 3145 3146 3171 3176 3178 3200 3203 3208 3233 3240 3280 3282 3285 3290 3295 3296 3297 3305 3307 3308 3309 3311 3312 3313 3314 3315 3316 3321 3331 3335 3336 3355 3369 3383 3390 3393 3402 3404 3409 3420 3421 3450 3453 3463 3464 3483 3585 3606 3617 3621 3673 3717 3885 3904 3923 3936 4087 4105 4106 4304 4456 4806 4831 4955 4965 4968 4970 4980 4993 5042 5048 5051 5061 5078 5085 5101 5135 5150 5152 5153 5182 5260 5264 5328 5330 5393 5464 5495 5556 5592 5626
Other	AM 1316-241 Arp 7 ESO 510-G13 GAMA202627 IC 4374 MRC 1138-262 TN J0924-2201 Tololo 1247-232

Galaxy clusters

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