Exposure
ID
GRAVI.2025-11-22T05:31:19.212_1
Header ID
GRAVI.2025-11-22T05:31:19.212
Date updated
2025-11-22 05:46:06 UTC+0000
Release date
2025-11-22 05:31:19 UTC+0000
UTC Start
2025-11-22 05:31:19.212
UTC End
2025-11-22 05:34:31.212
MJD Start
61001.23008347
MJD End
61001.232305692225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0130185
Ambient temperature (°C)
13.92
Seeing (arcsec)
0.35
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 17.1520 17.3480 116.6000 116.9000
A0-D0 28.7670 28.8410 26.1000 27.0000
A0-C1 14.8500 15.0460 76.4240 77.2300
B2-D0 33.6250 33.6290 355.4000 355.9000
B2-C1 11.2000 11.2010 355.3800 355.9170
D0-C1 22.4250 22.4280 175.4210 175.9590
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 61001.23008347
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 17.152
HIERARCH ESO ISS PBL12 END 17.348
HIERARCH ESO ISS PBLA12 START 116.6
HIERARCH ESO ISS PBLA12 END 116.9
HIERARCH ESO ISS PBL13 START 28.767
HIERARCH ESO ISS PBL13 END 28.841
HIERARCH ESO ISS PBLA13 START 26.1
HIERARCH ESO ISS PBLA13 END 27.0
HIERARCH ESO ISS PBL14 START 14.85
HIERARCH ESO ISS PBL14 END 15.046
HIERARCH ESO ISS PBLA14 START 76.424
HIERARCH ESO ISS PBLA14 END 77.23
HIERARCH ESO ISS PBL23 START 33.625
HIERARCH ESO ISS PBL23 END 33.629
HIERARCH ESO ISS PBLA23 START 355.4
HIERARCH ESO ISS PBLA23 END 355.9
HIERARCH ESO ISS PBL24 START 11.2
HIERARCH ESO ISS PBL24 END 11.201
HIERARCH ESO ISS PBLA24 START 355.38
HIERARCH ESO ISS PBLA24 END 355.917
HIERARCH ESO ISS PBL34 START 22.425
HIERARCH ESO ISS PBL34 END 22.428
HIERARCH ESO ISS PBLA34 START 175.421
HIERARCH ESO ISS PBLA34 END 175.959
HIERARCH ESO ISS AMBI TAU0 START 0.013714
HIERARCH ESO ISS AMBI TAU0 END 0.012323
HIERARCH ESO ISS AMBI TEMP 13.92
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.34