37 Hydrae

Altitude: -30.1° Azimuth: 67.2° Direction: East-North-East

37 Hydrae is a hypergiant star in the constellation of Hydra.

37 Hydrae visual magnitude is 6.31. Because of its reltive faintness, 37 Hydrae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 37 Hydrae:

Color of 37 Hydrae ⬤

Magnitude of 37 Hydrae 6.31

Class Hypergiant

VISIBILITY RIGHT NOW

37 Hydrae is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -30.1°
Azimuth: 67.2°
Direction: East-North-East

Celestial coordinates and finder chart of 37 Hydrae

37 Hydrae is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 37 Hydrae are provided in the following table:

Right Ascension J2000 09h 39m 47s

Declination J2000 -10° 34’ 13”

Galactic Longitude 245.37°

Galactic Latitude 30.18°

Constellation Hydra

The simplified sky map below shows the position of 37 Hydrae in the sky:

Simplified finder chart for 37 Hydrae.

Visibility of 37 Hydrae from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 37 Hydrae rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 100.6° RISE 0:00

Max altitude: 27.9° TRANSIT 5:04

Azimuth: 259.4° SET 10:08

Digitized Sky Survey image of 37 Hydrae

The image below is a photograph of 37 Hydrae from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 37 Hydrae is -0.024 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 37 Hydrae. The red arrow shows the motion of 37 Hydrae during the next 10000 years (-4.00 arcmin in Right Ascension and 0.83 arcmin in declination);

Distance of 37 Hydrae from the Sun and relative movement

37 Hydrae is distant 1,097.64 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 336.70 pc

Distance (light year) 1,097.64 ly

Heliocentric radial velocity 14 km/s

Proper Motion RA -0.024 arcsec/year

Proper Motion Dec 0.005 arcsec/year

Spectral properties of 37 Hydrae

37 Hydrae belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude -1.33

Spectral Type A0V

Color Index (B-V) -0.03

Temperature of 37 Hydrae 10516K

The red dot in the diagram below shows where 37 Hydrae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 37 Hydrae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 37 Hydrae

Flamsteed designation 37 Hydrae

Henry Draper Catalogue HD83650

SAO Catalogue SAO155377

Hipparcos Catalogue HIP47427

Durchmusterung Catalogue BD-09 2898

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In Evidence

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