Exposure
ID
GRAVI.2025-02-25T04:35:44.607_1
Header ID
GRAVI.2025-02-25T04:35:44.607
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-25 04:35:44 UTC+0000
UTC Start
2025-02-25 04:35:44.607
UTC End
2025-02-25 04:38:56.607
MJD Start
60731.19148851
MJD End
60731.19371073222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0132275
Ambient temperature (°C)
16.0
Seeing (arcsec)
0.8400000000000001
Observation
ID
64840
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
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.9970 89.9070 130.1000 130.8000
A0-J2 124.6400 124.2480 108.4000 109.1000
A0-K0 118.6690 118.0920 86.5040 87.1180
G1-J2 52.7980 52.5210 69.4000 69.9000
G1-K0 81.9660 81.6870 37.2670 37.6420
J2-K0 46.6600 46.6590 0.2570 0.6850
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 60731.19148851
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 89.997
HIERARCH ESO ISS PBL12 END 89.907
HIERARCH ESO ISS PBLA12 START 130.1
HIERARCH ESO ISS PBLA12 END 130.8
HIERARCH ESO ISS PBL13 START 124.64
HIERARCH ESO ISS PBL13 END 124.248
HIERARCH ESO ISS PBLA13 START 108.4
HIERARCH ESO ISS PBLA13 END 109.1
HIERARCH ESO ISS PBL14 START 118.669
HIERARCH ESO ISS PBL14 END 118.092
HIERARCH ESO ISS PBLA14 START 86.504
HIERARCH ESO ISS PBLA14 END 87.118
HIERARCH ESO ISS PBL23 START 52.798
HIERARCH ESO ISS PBL23 END 52.521
HIERARCH ESO ISS PBLA23 START 69.4
HIERARCH ESO ISS PBLA23 END 69.9
HIERARCH ESO ISS PBL24 START 81.966
HIERARCH ESO ISS PBL24 END 81.687
HIERARCH ESO ISS PBLA24 START 37.267
HIERARCH ESO ISS PBLA24 END 37.642
HIERARCH ESO ISS PBL34 START 46.66
HIERARCH ESO ISS PBL34 END 46.659
HIERARCH ESO ISS PBLA34 START 0.257
HIERARCH ESO ISS PBLA34 END 0.685
HIERARCH ESO ISS AMBI TAU0 START 0.013881
HIERARCH ESO ISS AMBI TAU0 END 0.012574
HIERARCH ESO ISS AMBI TEMP 16.0
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.78