Exposure
ID
GRAVI.2025-03-06T03:36:56.969_1
Header ID
GRAVI.2025-03-06T03:36:56.969
Date updated
2025-03-06 03:45:32 UTC+0000
Release date
2025-03-06 03:36:56 UTC+0000
UTC Start
2025-03-06 03:36:56.969
UTC End
2025-03-06 03:40:08.969
MJD Start
60740.15065936
MJD End
60740.152881582224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005732
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.87
Observation
ID
64982
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING 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
Target
ID
48298
Name
d_Vel
RA
131.096576
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 25.0870 25.1050 150.5000 151.1000
A0-D0 30.4880 30.3710 82.7000 83.3000
A0-C1 22.5990 22.5870 125.9520 126.6020
B2-D0 31.3450 31.2560 34.8000 35.2000
B2-C1 10.4410 10.4120 34.7890 35.1840
D0-C1 20.9040 20.8440 214.8570 215.2530
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60740.15065936
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME d Vel
HIERARCH ESO INS SOBJ NAME d_Vel
RA 131.096576
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 25.087
HIERARCH ESO ISS PBL12 END 25.105
HIERARCH ESO ISS PBLA12 START 150.5
HIERARCH ESO ISS PBLA12 END 151.1
HIERARCH ESO ISS PBL13 START 30.488
HIERARCH ESO ISS PBL13 END 30.371
HIERARCH ESO ISS PBLA13 START 82.7
HIERARCH ESO ISS PBLA13 END 83.3
HIERARCH ESO ISS PBL14 START 22.599
HIERARCH ESO ISS PBL14 END 22.587
HIERARCH ESO ISS PBLA14 START 125.952
HIERARCH ESO ISS PBLA14 END 126.602
HIERARCH ESO ISS PBL23 START 31.345
HIERARCH ESO ISS PBL23 END 31.256
HIERARCH ESO ISS PBLA23 START 34.8
HIERARCH ESO ISS PBLA23 END 35.2
HIERARCH ESO ISS PBL24 START 10.441
HIERARCH ESO ISS PBL24 END 10.412
HIERARCH ESO ISS PBLA24 START 34.789
HIERARCH ESO ISS PBLA24 END 35.184
HIERARCH ESO ISS PBL34 START 20.904
HIERARCH ESO ISS PBL34 END 20.844
HIERARCH ESO ISS PBLA34 START 214.857
HIERARCH ESO ISS PBLA34 END 215.253
HIERARCH ESO ISS AMBI TAU0 START 0.005555
HIERARCH ESO ISS AMBI TAU0 END 0.005909
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.83