Exposure
ID
GRAVI.2021-05-23T02:52:13.366_1
Header ID
GRAVI.2021-05-23T02:52:13.366
Date updated
2021-05-23 03:05:16 UTC+0000
Release date
2021-05-23 02:52:13 UTC+0000
UTC Start
2021-05-23 02:52:13.366
UTC End
2021-05-23 02:57:13.366
MJD Start
59357.11959914
MJD End
59357.1230713622
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0070215
Ambient temperature (°C)
11.68
Seeing (arcsec)
0.44
Observation
ID
47443
Category
calibrator
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
35583
Name
HIP81467
RA
249.58452
DEC
-49.22982
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 54.7280 54.6970 7.8000 8.6000
U1-U3 100.5740 100.5050 13.1000 13.9000
U1-U4 129.4970 129.6130 35.5220 36.5990
U2-U3 46.3550 46.3280 19.3000 20.2000
U2-U4 84.9700 85.3030 52.9690 54.1410
U3-U4 53.0190 53.5090 81.9480 83.0240
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 0103.C-0459(B)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59357.11959914
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD149643
HIERARCH ESO INS SOBJ NAME HIP81467
RA 249.58452
DEC -49.22982
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 54.728
HIERARCH ESO ISS PBL12 END 54.697
HIERARCH ESO ISS PBLA12 START 7.8
HIERARCH ESO ISS PBLA12 END 8.6
HIERARCH ESO ISS PBL13 START 100.574
HIERARCH ESO ISS PBL13 END 100.505
HIERARCH ESO ISS PBLA13 START 13.1
HIERARCH ESO ISS PBLA13 END 13.9
HIERARCH ESO ISS PBL14 START 129.497
HIERARCH ESO ISS PBL14 END 129.613
HIERARCH ESO ISS PBLA14 START 35.522
HIERARCH ESO ISS PBLA14 END 36.599
HIERARCH ESO ISS PBL23 START 46.355
HIERARCH ESO ISS PBL23 END 46.328
HIERARCH ESO ISS PBLA23 START 19.3
HIERARCH ESO ISS PBLA23 END 20.2
HIERARCH ESO ISS PBL24 START 84.97
HIERARCH ESO ISS PBL24 END 85.303
HIERARCH ESO ISS PBLA24 START 52.969
HIERARCH ESO ISS PBLA24 END 54.141
HIERARCH ESO ISS PBL34 START 53.019
HIERARCH ESO ISS PBL34 END 53.509
HIERARCH ESO ISS PBLA34 START 81.948
HIERARCH ESO ISS PBLA34 END 83.024
HIERARCH ESO ISS AMBI TAU0 START 0.007618
HIERARCH ESO ISS AMBI TAU0 END 0.006425
HIERARCH ESO ISS AMBI TEMP 11.68
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.45