Exposure
ID
GRAVI.2021-05-23T02:38:31.331_1
Header ID
GRAVI.2021-05-23T02:38:31.331
Date updated
2021-05-23 02:50:15 UTC+0000
Release date
2022-05-23 02:50:15 UTC+0000
UTC Start
2021-05-23 02:38:31.331
UTC End
2021-05-23 02:43:31.331
MJD Start
59357.11008485
MJD End
59357.1135570722
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.007738
Ambient temperature (°C)
11.79
Seeing (arcsec)
0.425
Observation
ID
47442
Category
science
Program ID
0103.C-0459(B)
Program Title
BINARITY OF HIGH-MASS STARS AT BIRTH
Program Type
Normal
PI / COI
DE WIT/ OUDMAIJER/ KOUMPIA/ POMOHACI/ CARATTI O GARATTI/ STECKLUM/ MENDIGUTIA/ FROST/ GOODWIN
Target
ID
35582
Name
G336.4917
RA
250.003274
DEC
-48.86337
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 54.8880 54.8670 5.5000 6.3000
U1-U3 100.8600 100.8080 10.6000 11.5000
U1-U4 129.0330 129.1720 32.3920 33.4820
U2-U3 46.4480 46.4280 16.6000 17.6000
U2-U4 83.8400 84.1970 49.6150 50.8120
U3-U4 51.5010 52.0220 79.0090 80.1100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 0103.C-0459(B)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59357.11008485
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G336.4917
HIERARCH ESO INS SOBJ NAME G336.4917
RA 250.003274
DEC -48.86337
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 316.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 10
HIERARCH ESO ISS PBL12 START 54.888
HIERARCH ESO ISS PBL12 END 54.867
HIERARCH ESO ISS PBLA12 START 5.5
HIERARCH ESO ISS PBLA12 END 6.3
HIERARCH ESO ISS PBL13 START 100.86
HIERARCH ESO ISS PBL13 END 100.808
HIERARCH ESO ISS PBLA13 START 10.6
HIERARCH ESO ISS PBLA13 END 11.5
HIERARCH ESO ISS PBL14 START 129.033
HIERARCH ESO ISS PBL14 END 129.172
HIERARCH ESO ISS PBLA14 START 32.392
HIERARCH ESO ISS PBLA14 END 33.482
HIERARCH ESO ISS PBL23 START 46.448
HIERARCH ESO ISS PBL23 END 46.428
HIERARCH ESO ISS PBLA23 START 16.6
HIERARCH ESO ISS PBLA23 END 17.6
HIERARCH ESO ISS PBL24 START 83.84
HIERARCH ESO ISS PBL24 END 84.197
HIERARCH ESO ISS PBLA24 START 49.615
HIERARCH ESO ISS PBLA24 END 50.812
HIERARCH ESO ISS PBL34 START 51.501
HIERARCH ESO ISS PBL34 END 52.022
HIERARCH ESO ISS PBLA34 START 79.009
HIERARCH ESO ISS PBLA34 END 80.11
HIERARCH ESO ISS AMBI TAU0 START 0.00783
HIERARCH ESO ISS AMBI TAU0 END 0.007646
HIERARCH ESO ISS AMBI TEMP 11.79
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.44