Exposure
ID
GRAVI.2025-11-25T05:51:17.260_1
Header ID
GRAVI.2025-11-25T05:51:17.260
Date updated
2025-11-25 06:06:03 UTC+0000
Release date
2025-11-25 05:51:17 UTC+0000
UTC Start
2025-11-25 05:51:17.260
UTC End
2025-11-25 05:54:29.260
MJD Start
61004.24394977
MJD End
61004.24617199223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006321500000000001
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.525
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 37.6550 37.9320 130.5000 130.8000
A0-D0 29.4430 29.5260 33.8000 34.7000
A0-G1 65.9480 66.6750 82.9010 83.6050
B5-D0 50.4490 50.5010 346.0000 346.4000
B5-G1 49.1960 49.4740 48.4580 49.3680
D0-G1 51.7080 52.2620 108.4010 108.8250
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 61004.24394977
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 37.655
HIERARCH ESO ISS PBL12 END 37.932
HIERARCH ESO ISS PBLA12 START 130.5
HIERARCH ESO ISS PBLA12 END 130.8
HIERARCH ESO ISS PBL13 START 29.443
HIERARCH ESO ISS PBL13 END 29.526
HIERARCH ESO ISS PBLA13 START 33.8
HIERARCH ESO ISS PBLA13 END 34.7
HIERARCH ESO ISS PBL14 START 65.948
HIERARCH ESO ISS PBL14 END 66.675
HIERARCH ESO ISS PBLA14 START 82.901
HIERARCH ESO ISS PBLA14 END 83.605
HIERARCH ESO ISS PBL23 START 50.449
HIERARCH ESO ISS PBL23 END 50.501
HIERARCH ESO ISS PBLA23 START 346.0
HIERARCH ESO ISS PBLA23 END 346.4
HIERARCH ESO ISS PBL24 START 49.196
HIERARCH ESO ISS PBL24 END 49.474
HIERARCH ESO ISS PBLA24 START 48.458
HIERARCH ESO ISS PBLA24 END 49.368
HIERARCH ESO ISS PBL34 START 51.708
HIERARCH ESO ISS PBL34 END 52.262
HIERARCH ESO ISS PBLA34 START 108.401
HIERARCH ESO ISS PBLA34 END 108.825
HIERARCH ESO ISS AMBI TAU0 START 0.006308
HIERARCH ESO ISS AMBI TAU0 END 0.006335
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.59