Exposure
- ID
- GRAVI.2022-05-20T05:46:53.744_2
- Header ID
- GRAVI.2022-05-20T05:46:53.744
- Date updated
- 2022-05-20 06:00:40 UTC+0000
- Release date
- 2023-05-20 06:00:40 UTC+0000
- UTC Start
- 2022-05-20 05:46:53.744
- UTC End
- 2022-05-20 05:52:13.744
- MJD Start
- 59719.24089982
- MJD End
- 59719.2446035237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010354
- Ambient temperature (°C)
- 12.96
- Seeing (arcsec)
- 0.335
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 | 56.5580 | 56.5600 | 20.3000 | 21.0000 |
| U1-U3 | 102.3880 | 102.4130 | 26.5000 | 27.2000 |
| U1-U4 | 129.2140 | 129.4780 | 54.1020 | 54.8750 |
| U2-U3 | 46.5640 | 46.5940 | 34.0000 | 34.8000 |
| U2-U4 | 88.0440 | 88.3540 | 75.0500 | 75.7920 |
| U3-U4 | 61.1020 | 61.3610 | 105.0610 | 105.6840 |
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 | 59719.24089982 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.56 |
| HIERARCH ESO ISS PBLA12 START | 20.3 |
| HIERARCH ESO ISS PBLA12 END | 21.0 |
| HIERARCH ESO ISS PBL13 START | 102.388 |
| HIERARCH ESO ISS PBL13 END | 102.413 |
| HIERARCH ESO ISS PBLA13 START | 26.5 |
| HIERARCH ESO ISS PBLA13 END | 27.2 |
| HIERARCH ESO ISS PBL14 START | 129.214 |
| HIERARCH ESO ISS PBL14 END | 129.478 |
| HIERARCH ESO ISS PBLA14 START | 54.102 |
| HIERARCH ESO ISS PBLA14 END | 54.875 |
| HIERARCH ESO ISS PBL23 START | 46.564 |
| HIERARCH ESO ISS PBL23 END | 46.594 |
| HIERARCH ESO ISS PBLA23 START | 34.0 |
| HIERARCH ESO ISS PBLA23 END | 34.8 |
| HIERARCH ESO ISS PBL24 START | 88.044 |
| HIERARCH ESO ISS PBL24 END | 88.354 |
| HIERARCH ESO ISS PBLA24 START | 75.05 |
| HIERARCH ESO ISS PBLA24 END | 75.792 |
| HIERARCH ESO ISS PBL34 START | 61.102 |
| HIERARCH ESO ISS PBL34 END | 61.361 |
| HIERARCH ESO ISS PBLA34 START | 105.061 |
| HIERARCH ESO ISS PBLA34 END | 105.684 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010144 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010564 |
| HIERARCH ESO ISS AMBI TEMP | 12.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.33 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |