Exposure
ID
GRAVI.2025-11-23T07:15:00.026_1
Header ID
GRAVI.2025-11-23T07:15:00.026
Date updated
2025-11-23 07:25:55 UTC+0000
Release date
2025-11-23 07:15:00 UTC+0000
UTC Start
2025-11-23 07:15:00.026
UTC End
2025-11-23 07:18:12.026
MJD Start
61002.30208364
MJD End
61002.30430586223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0041415
Ambient temperature (°C)
12.09
Seeing (arcsec)
0.7450000000000001
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 42.4800 42.6710 136.9000 137.3000
A0-D0 31.0900 31.1590 50.2000 50.9000
A0-G1 78.9330 79.4510 95.9680 96.5560
B5-D0 51.1720 51.1910 354.3000 354.7000
B5-G1 54.4920 54.7110 65.2450 65.9780
D0-G1 61.4170 61.8010 117.2290 117.6730
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 61002.30208364
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 42.48
HIERARCH ESO ISS PBL12 END 42.671
HIERARCH ESO ISS PBLA12 START 136.9
HIERARCH ESO ISS PBLA12 END 137.3
HIERARCH ESO ISS PBL13 START 31.09
HIERARCH ESO ISS PBL13 END 31.159
HIERARCH ESO ISS PBLA13 START 50.2
HIERARCH ESO ISS PBLA13 END 50.9
HIERARCH ESO ISS PBL14 START 78.933
HIERARCH ESO ISS PBL14 END 79.451
HIERARCH ESO ISS PBLA14 START 95.968
HIERARCH ESO ISS PBLA14 END 96.556
HIERARCH ESO ISS PBL23 START 51.172
HIERARCH ESO ISS PBL23 END 51.191
HIERARCH ESO ISS PBLA23 START 354.3
HIERARCH ESO ISS PBLA23 END 354.7
HIERARCH ESO ISS PBL24 START 54.492
HIERARCH ESO ISS PBL24 END 54.711
HIERARCH ESO ISS PBLA24 START 65.245
HIERARCH ESO ISS PBLA24 END 65.978
HIERARCH ESO ISS PBL34 START 61.417
HIERARCH ESO ISS PBL34 END 61.801
HIERARCH ESO ISS PBLA34 START 117.229
HIERARCH ESO ISS PBLA34 END 117.673
HIERARCH ESO ISS AMBI TAU0 START 0.003575
HIERARCH ESO ISS AMBI TAU0 END 0.004708
HIERARCH ESO ISS AMBI TEMP 12.09
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.68