Exposure
ID
GRAVI.2021-05-23T02:11:07.263_1
Header ID
GRAVI.2021-05-23T02:11:07.263
Date updated
2021-05-23 02:25:24 UTC+0000
Release date
2022-05-23 02:25:24 UTC+0000
UTC Start
2021-05-23 02:11:07.263
UTC End
2021-05-23 02:16:07.263
MJD Start
59357.09105628
MJD End
59357.0945285022
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0063935
Ambient temperature (°C)
11.84
Seeing (arcsec)
0.38
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 54.9520 54.9460 1.4000 2.2000
U1-U3 101.0590 101.0300 6.2000 7.1000
U1-U4 128.2580 128.4100 26.6050 27.7320
U2-U3 46.5210 46.5100 11.8000 12.8000
U2-U4 81.9300 82.3010 43.1800 44.4450
U3-U4 48.6520 49.2160 73.0200 74.2080
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 59357.09105628
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 54.952
HIERARCH ESO ISS PBL12 END 54.946
HIERARCH ESO ISS PBLA12 START 1.4
HIERARCH ESO ISS PBLA12 END 2.2
HIERARCH ESO ISS PBL13 START 101.059
HIERARCH ESO ISS PBL13 END 101.03
HIERARCH ESO ISS PBLA13 START 6.2
HIERARCH ESO ISS PBLA13 END 7.1
HIERARCH ESO ISS PBL14 START 128.258
HIERARCH ESO ISS PBL14 END 128.41
HIERARCH ESO ISS PBLA14 START 26.605
HIERARCH ESO ISS PBLA14 END 27.732
HIERARCH ESO ISS PBL23 START 46.521
HIERARCH ESO ISS PBL23 END 46.51
HIERARCH ESO ISS PBLA23 START 11.8
HIERARCH ESO ISS PBLA23 END 12.8
HIERARCH ESO ISS PBL24 START 81.93
HIERARCH ESO ISS PBL24 END 82.301
HIERARCH ESO ISS PBLA24 START 43.18
HIERARCH ESO ISS PBLA24 END 44.445
HIERARCH ESO ISS PBL34 START 48.652
HIERARCH ESO ISS PBL34 END 49.216
HIERARCH ESO ISS PBLA34 START 73.02
HIERARCH ESO ISS PBLA34 END 74.208
HIERARCH ESO ISS AMBI TAU0 START 0.006257
HIERARCH ESO ISS AMBI TAU0 END 0.00653
HIERARCH ESO ISS AMBI TEMP 11.84
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.39