Exposure
ID
GRAVI.2025-11-24T05:58:14.892_1
Header ID
GRAVI.2025-11-24T05:58:14.892
Date updated
2025-11-24 06:11:06 UTC+0000
Release date
2025-11-24 05:58:14 UTC+0000
UTC Start
2025-11-24 05:58:14.892
UTC End
2025-11-24 06:01:26.892
MJD Start
61003.24878347
MJD End
61003.251005692226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0035034999999999997
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.77
Observation
ID
71840
Category
calibrator
Program ID
116.28P0.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG / ERCOLINO / JANIK
Target
ID
48285
Name
d_Vel
RA
131.096577
DEC
-42.64917
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 37.8810 38.1540 130.8000 131.0000
A0-D0 29.5110 29.5950 34.5000 35.4000
A0-G1 66.5420 67.2620 83.4750 84.1710
B5-D0 50.4910 50.5420 346.3000 346.7000
B5-G1 49.4220 49.7000 49.2000 50.1020
D0-G1 52.1600 52.7080 108.7460 109.1700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61003.24878347
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME d Vel
HIERARCH ESO INS SOBJ NAME d_Vel
RA 131.096577
DEC -42.64917
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 37.881
HIERARCH ESO ISS PBL12 END 38.154
HIERARCH ESO ISS PBLA12 START 130.8
HIERARCH ESO ISS PBLA12 END 131.0
HIERARCH ESO ISS PBL13 START 29.511
HIERARCH ESO ISS PBL13 END 29.595
HIERARCH ESO ISS PBLA13 START 34.5
HIERARCH ESO ISS PBLA13 END 35.4
HIERARCH ESO ISS PBL14 START 66.542
HIERARCH ESO ISS PBL14 END 67.262
HIERARCH ESO ISS PBLA14 START 83.475
HIERARCH ESO ISS PBLA14 END 84.171
HIERARCH ESO ISS PBL23 START 50.491
HIERARCH ESO ISS PBL23 END 50.542
HIERARCH ESO ISS PBLA23 START 346.3
HIERARCH ESO ISS PBLA23 END 346.7
HIERARCH ESO ISS PBL24 START 49.422
HIERARCH ESO ISS PBL24 END 49.7
HIERARCH ESO ISS PBLA24 START 49.2
HIERARCH ESO ISS PBLA24 END 50.102
HIERARCH ESO ISS PBL34 START 52.16
HIERARCH ESO ISS PBL34 END 52.708
HIERARCH ESO ISS PBLA34 START 108.746
HIERARCH ESO ISS PBLA34 END 109.17
HIERARCH ESO ISS AMBI TAU0 START 0.002527
HIERARCH ESO ISS AMBI TAU0 END 0.00448
HIERARCH ESO ISS AMBI TEMP 13.91
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.68