Exposure
ID
GRAVI.2025-11-25T05:59:29.281_1
Header ID
GRAVI.2025-11-25T05:59:29.281
Date updated
2025-11-25 06:11:28 UTC+0000
Release date
2025-11-25 05:59:29 UTC+0000
UTC Start
2025-11-25 05:59:29.281
UTC End
2025-11-25 06:02:41.281
MJD Start
61004.24964446
MJD End
61004.25186668222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006528
Ambient temperature (°C)
12.65
Seeing (arcsec)
0.45999999999999996
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 38.2620 38.5290 131.1000 131.4000
A0-D0 29.6280 29.7120 35.7000 36.6000
A0-G1 67.5480 68.2570 84.4480 85.1320
B5-D0 50.5610 50.6090 346.8000 347.2000
B5-G1 49.8100 50.0870 50.4610 51.3480
D0-G1 52.9250 53.4610 109.3400 109.7640
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 61004.24964446
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 38.262
HIERARCH ESO ISS PBL12 END 38.529
HIERARCH ESO ISS PBLA12 START 131.1
HIERARCH ESO ISS PBLA12 END 131.4
HIERARCH ESO ISS PBL13 START 29.628
HIERARCH ESO ISS PBL13 END 29.712
HIERARCH ESO ISS PBLA13 START 35.7
HIERARCH ESO ISS PBLA13 END 36.6
HIERARCH ESO ISS PBL14 START 67.548
HIERARCH ESO ISS PBL14 END 68.257
HIERARCH ESO ISS PBLA14 START 84.448
HIERARCH ESO ISS PBLA14 END 85.132
HIERARCH ESO ISS PBL23 START 50.561
HIERARCH ESO ISS PBL23 END 50.609
HIERARCH ESO ISS PBLA23 START 346.8
HIERARCH ESO ISS PBLA23 END 347.2
HIERARCH ESO ISS PBL24 START 49.81
HIERARCH ESO ISS PBL24 END 50.087
HIERARCH ESO ISS PBLA24 START 50.461
HIERARCH ESO ISS PBLA24 END 51.348
HIERARCH ESO ISS PBL34 START 52.925
HIERARCH ESO ISS PBL34 END 53.461
HIERARCH ESO ISS PBLA34 START 109.34
HIERARCH ESO ISS PBLA34 END 109.764
HIERARCH ESO ISS AMBI TAU0 START 0.005973
HIERARCH ESO ISS AMBI TAU0 END 0.007083
HIERARCH ESO ISS AMBI TEMP 12.65
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.43