Exposure
ID
GRAVI.2025-02-25T03:38:29.462_1
Header ID
GRAVI.2025-02-25T03:38:29.462
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-25 03:38:29 UTC+0000
UTC Start
2025-02-25 03:38:29.462
UTC End
2025-02-25 03:41:41.462
MJD Start
60731.15172988
MJD End
60731.15395210223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006621500000000001
Ambient temperature (°C)
14.93
Seeing (arcsec)
1.4849999999999999
Observation
ID
64838
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
48283
Name
HD_55526
RA
107.694299
DEC
-48.93099
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 89.9530 89.8800 137.6000 138.4000
A0-J2 122.3840 121.9890 117.5000 118.3000
A0-K0 112.7930 112.1480 96.0300 96.7660
G1-J2 48.9650 48.6340 78.3000 78.9000
G1-K0 75.1040 74.7320 43.3540 43.7540
J2-K0 44.8060 44.7890 4.6270 5.0700
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 60731.15172988
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 55526
HIERARCH ESO INS SOBJ NAME HD_55526
RA 107.694299
DEC -48.93099
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 89.953
HIERARCH ESO ISS PBL12 END 89.88
HIERARCH ESO ISS PBLA12 START 137.6
HIERARCH ESO ISS PBLA12 END 138.4
HIERARCH ESO ISS PBL13 START 122.384
HIERARCH ESO ISS PBL13 END 121.989
HIERARCH ESO ISS PBLA13 START 117.5
HIERARCH ESO ISS PBLA13 END 118.3
HIERARCH ESO ISS PBL14 START 112.793
HIERARCH ESO ISS PBL14 END 112.148
HIERARCH ESO ISS PBLA14 START 96.03
HIERARCH ESO ISS PBLA14 END 96.766
HIERARCH ESO ISS PBL23 START 48.965
HIERARCH ESO ISS PBL23 END 48.634
HIERARCH ESO ISS PBLA23 START 78.3
HIERARCH ESO ISS PBLA23 END 78.9
HIERARCH ESO ISS PBL24 START 75.104
HIERARCH ESO ISS PBL24 END 74.732
HIERARCH ESO ISS PBLA24 START 43.354
HIERARCH ESO ISS PBLA24 END 43.754
HIERARCH ESO ISS PBL34 START 44.806
HIERARCH ESO ISS PBL34 END 44.789
HIERARCH ESO ISS PBLA34 START 4.627
HIERARCH ESO ISS PBLA34 END 5.07
HIERARCH ESO ISS AMBI TAU0 START 0.007674
HIERARCH ESO ISS AMBI TAU0 END 0.005569
HIERARCH ESO ISS AMBI TEMP 14.93
HIERARCH ESO ISS AMBI FWHM START 1.39
HIERARCH ESO ISS AMBI FWHM END 1.58