Exposure
- ID
- GRAVI.2022-05-20T05:33:14.710_2
- Header ID
- GRAVI.2022-05-20T05:33:14.710
- Date updated
- 2022-05-20 05:50:44 UTC+0000
- Release date
- 2023-05-20 05:50:44 UTC+0000
- UTC Start
- 2022-05-20 05:33:14.710
- UTC End
- 2022-05-20 05:38:34.710
- MJD Start
- 59719.23142026
- MJD End
- 59719.2351239637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011501
- Ambient temperature (°C)
- 12.95
- Seeing (arcsec)
- 0.32
Observation
- ID
- 50947
- Category
- science
- Program ID
- 109.22ZA.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5430 | 56.5510 | 18.6000 | 19.3000 |
| U1-U3 | 102.2930 | 102.3380 | 24.7000 | 25.5000 |
| U1-U4 | 128.4270 | 128.7790 | 52.1740 | 52.9870 |
| U2-U3 | 46.4690 | 46.5130 | 32.2000 | 33.0000 |
| U2-U4 | 87.1420 | 87.5440 | 73.2170 | 73.9880 |
| U3-U4 | 60.3640 | 60.6910 | 103.5740 | 104.1900 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59719.23142026 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.543 |
| HIERARCH ESO ISS PBL12 END | 56.551 |
| HIERARCH ESO ISS PBLA12 START | 18.6 |
| HIERARCH ESO ISS PBLA12 END | 19.3 |
| HIERARCH ESO ISS PBL13 START | 102.293 |
| HIERARCH ESO ISS PBL13 END | 102.338 |
| HIERARCH ESO ISS PBLA13 START | 24.7 |
| HIERARCH ESO ISS PBLA13 END | 25.5 |
| HIERARCH ESO ISS PBL14 START | 128.427 |
| HIERARCH ESO ISS PBL14 END | 128.779 |
| HIERARCH ESO ISS PBLA14 START | 52.174 |
| HIERARCH ESO ISS PBLA14 END | 52.987 |
| HIERARCH ESO ISS PBL23 START | 46.469 |
| HIERARCH ESO ISS PBL23 END | 46.513 |
| HIERARCH ESO ISS PBLA23 START | 32.2 |
| HIERARCH ESO ISS PBLA23 END | 33.0 |
| HIERARCH ESO ISS PBL24 START | 87.142 |
| HIERARCH ESO ISS PBL24 END | 87.544 |
| HIERARCH ESO ISS PBLA24 START | 73.217 |
| HIERARCH ESO ISS PBLA24 END | 73.988 |
| HIERARCH ESO ISS PBL34 START | 60.364 |
| HIERARCH ESO ISS PBL34 END | 60.691 |
| HIERARCH ESO ISS PBLA34 START | 103.574 |
| HIERARCH ESO ISS PBLA34 END | 104.19 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011609 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011393 |
| HIERARCH ESO ISS AMBI TEMP | 12.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.31 |
| HIERARCH ESO ISS AMBI FWHM END | 0.33 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |