Exposure
- ID
- GRAVI.2022-05-23T04:58:06.424_2
- Header ID
- GRAVI.2022-05-23T04:58:06.424
- Date updated
- 2022-05-23 05:15:51 UTC+0000
- Release date
- 2023-05-23 05:15:50 UTC+0000
- UTC Start
- 2022-05-23 04:58:06.424
- UTC End
- 2022-05-23 05:03:26.424
- MJD Start
- 59722.2070188
- MJD End
- 59722.2107225037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0056465
- Ambient temperature (°C)
- 11.14
- Seeing (arcsec)
- 0.555
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 | 56.4870 | 56.5030 | 15.6000 | 16.3000 |
| U1-U3 | 102.0410 | 102.1110 | 21.5000 | 22.3000 |
| U1-U4 | 126.6460 | 127.1300 | 48.6740 | 49.5600 |
| U2-U3 | 46.2390 | 46.3020 | 28.9000 | 29.7000 |
| U2-U4 | 85.1300 | 85.6770 | 69.9320 | 70.7610 |
| U3-U4 | 58.7330 | 59.1770 | 101.0790 | 101.6890 |
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 | 59722.2070188 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416757 |
| DEC | -29.00715 |
| 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 | 56.487 |
| HIERARCH ESO ISS PBL12 END | 56.503 |
| HIERARCH ESO ISS PBLA12 START | 15.6 |
| HIERARCH ESO ISS PBLA12 END | 16.3 |
| HIERARCH ESO ISS PBL13 START | 102.041 |
| HIERARCH ESO ISS PBL13 END | 102.111 |
| HIERARCH ESO ISS PBLA13 START | 21.5 |
| HIERARCH ESO ISS PBLA13 END | 22.3 |
| HIERARCH ESO ISS PBL14 START | 126.646 |
| HIERARCH ESO ISS PBL14 END | 127.13 |
| HIERARCH ESO ISS PBLA14 START | 48.674 |
| HIERARCH ESO ISS PBLA14 END | 49.56 |
| HIERARCH ESO ISS PBL23 START | 46.239 |
| HIERARCH ESO ISS PBL23 END | 46.302 |
| HIERARCH ESO ISS PBLA23 START | 28.9 |
| HIERARCH ESO ISS PBLA23 END | 29.7 |
| HIERARCH ESO ISS PBL24 START | 85.13 |
| HIERARCH ESO ISS PBL24 END | 85.677 |
| HIERARCH ESO ISS PBLA24 START | 69.932 |
| HIERARCH ESO ISS PBLA24 END | 70.761 |
| HIERARCH ESO ISS PBL34 START | 58.733 |
| HIERARCH ESO ISS PBL34 END | 59.177 |
| HIERARCH ESO ISS PBLA34 START | 101.079 |
| HIERARCH ESO ISS PBLA34 END | 101.689 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005606 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005687 |
| HIERARCH ESO ISS AMBI TEMP | 11.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |