Exposure
ID
GRAVI.2025-11-21T06:47:41.406_1
Header ID
GRAVI.2025-11-21T06:47:41.406
Date updated
2025-11-21 07:01:15 UTC+0000
Release date
2025-11-21 06:47:41 UTC+0000
UTC Start
2025-11-21 06:47:41.406
UTC End
2025-11-21 06:50:53.406
MJD Start
61000.28311813
MJD End
61000.285340352224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.001535
Ambient temperature (°C)
12.61
Seeing (arcsec)
1.53
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 20.5330 20.6790 123.1000 123.4000
A0-D0 30.3630 30.4440 42.9000 43.7000
A0-C1 18.3590 18.5150 90.2170 90.8420
B2-D0 33.6120 33.6060 5.9000 6.5000
B2-C1 11.1960 11.1940 5.9110 6.4450
D0-C1 22.4160 22.4120 185.9650 186.4980
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 61000.28311813
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 20.533
HIERARCH ESO ISS PBL12 END 20.679
HIERARCH ESO ISS PBLA12 START 123.1
HIERARCH ESO ISS PBLA12 END 123.4
HIERARCH ESO ISS PBL13 START 30.363
HIERARCH ESO ISS PBL13 END 30.444
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 43.7
HIERARCH ESO ISS PBL14 START 18.359
HIERARCH ESO ISS PBL14 END 18.515
HIERARCH ESO ISS PBLA14 START 90.217
HIERARCH ESO ISS PBLA14 END 90.842
HIERARCH ESO ISS PBL23 START 33.612
HIERARCH ESO ISS PBL23 END 33.606
HIERARCH ESO ISS PBLA23 START 5.9
HIERARCH ESO ISS PBLA23 END 6.5
HIERARCH ESO ISS PBL24 START 11.196
HIERARCH ESO ISS PBL24 END 11.194
HIERARCH ESO ISS PBLA24 START 5.911
HIERARCH ESO ISS PBLA24 END 6.445
HIERARCH ESO ISS PBL34 START 22.416
HIERARCH ESO ISS PBL34 END 22.412
HIERARCH ESO ISS PBLA34 START 185.965
HIERARCH ESO ISS PBLA34 END 186.498
HIERARCH ESO ISS AMBI TAU0 START 0.001667
HIERARCH ESO ISS AMBI TAU0 END 0.001403
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 1.51
HIERARCH ESO ISS AMBI FWHM END 1.55