Exposure
ID
GRAVI.2025-11-21T06:39:26.385_1
Header ID
GRAVI.2025-11-21T06:39:26.385
Date updated
2025-11-21 06:50:58 UTC+0000
Release date
2025-11-21 06:39:26 UTC+0000
UTC Start
2025-11-21 06:39:26.385
UTC End
2025-11-21 06:42:38.385
MJD Start
61000.27738872
MJD End
61000.27961094223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0021384999999999998
Ambient temperature (°C)
12.49
Seeing (arcsec)
1.38
Observation
ID
71813
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.1990 20.3510 122.3000 122.6000
A0-D0 30.1790 30.2620 41.2000 42.0000
A0-C1 18.0030 18.1640 88.8070 89.4440
B2-D0 33.6240 33.6190 4.8000 5.3000
B2-C1 11.2000 11.1980 4.7180 5.2550
D0-C1 22.4240 22.4210 184.7690 185.3060
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 61000.27738872
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 20.199
HIERARCH ESO ISS PBL12 END 20.351
HIERARCH ESO ISS PBLA12 START 122.3
HIERARCH ESO ISS PBLA12 END 122.6
HIERARCH ESO ISS PBL13 START 30.179
HIERARCH ESO ISS PBL13 END 30.262
HIERARCH ESO ISS PBLA13 START 41.2
HIERARCH ESO ISS PBLA13 END 42.0
HIERARCH ESO ISS PBL14 START 18.003
HIERARCH ESO ISS PBL14 END 18.164
HIERARCH ESO ISS PBLA14 START 88.807
HIERARCH ESO ISS PBLA14 END 89.444
HIERARCH ESO ISS PBL23 START 33.624
HIERARCH ESO ISS PBL23 END 33.619
HIERARCH ESO ISS PBLA23 START 4.8
HIERARCH ESO ISS PBLA23 END 5.3
HIERARCH ESO ISS PBL24 START 11.2
HIERARCH ESO ISS PBL24 END 11.198
HIERARCH ESO ISS PBLA24 START 4.718
HIERARCH ESO ISS PBLA24 END 5.255
HIERARCH ESO ISS PBL34 START 22.424
HIERARCH ESO ISS PBL34 END 22.421
HIERARCH ESO ISS PBLA34 START 184.769
HIERARCH ESO ISS PBLA34 END 185.306
HIERARCH ESO ISS AMBI TAU0 START 0.002219
HIERARCH ESO ISS AMBI TAU0 END 0.002058
HIERARCH ESO ISS AMBI TEMP 12.49
HIERARCH ESO ISS AMBI FWHM START 1.32
HIERARCH ESO ISS AMBI FWHM END 1.44