Exposure
- ID
- GRAVI.2022-06-19T02:50:21.057_2
- Header ID
- GRAVI.2022-06-19T02:50:21.057
- Date updated
- 2022-06-19 03:05:47 UTC+0000
- Release date
- 2023-06-19 03:05:47 UTC+0000
- UTC Start
- 2022-06-19 02:50:21.057
- UTC End
- 2022-06-19 02:55:41.057
- MJD Start
- 59749.11829927
- MJD End
- 59749.1220029737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0026375
- Ambient temperature (°C)
- 7.94
- Seeing (arcsec)
- 1.73
Observation
- ID
- 51275
- Category
- science
- Program ID
- 109.22ZA.003
- 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 | 56.4180 | 56.4370 | 12.6000 | 13.4000 |
| U1-U3 | 101.7470 | 101.8280 | 18.5000 | 19.3000 |
| U1-U4 | 124.5920 | 125.1670 | 45.1720 | 46.1230 |
| U2-U3 | 45.9760 | 46.0490 | 25.6000 | 26.5000 |
| U2-U4 | 82.7810 | 83.4440 | 66.6690 | 67.5550 |
| U3-U4 | 56.8100 | 57.3560 | 98.7880 | 99.3930 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59749.11829927 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416741 |
| DEC | -29.00708 |
| 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 | 56.418 |
| HIERARCH ESO ISS PBL12 END | 56.437 |
| HIERARCH ESO ISS PBLA12 START | 12.6 |
| HIERARCH ESO ISS PBLA12 END | 13.4 |
| HIERARCH ESO ISS PBL13 START | 101.747 |
| HIERARCH ESO ISS PBL13 END | 101.828 |
| HIERARCH ESO ISS PBLA13 START | 18.5 |
| HIERARCH ESO ISS PBLA13 END | 19.3 |
| HIERARCH ESO ISS PBL14 START | 124.592 |
| HIERARCH ESO ISS PBL14 END | 125.167 |
| HIERARCH ESO ISS PBLA14 START | 45.172 |
| HIERARCH ESO ISS PBLA14 END | 46.123 |
| HIERARCH ESO ISS PBL23 START | 45.976 |
| HIERARCH ESO ISS PBL23 END | 46.049 |
| HIERARCH ESO ISS PBLA23 START | 25.6 |
| HIERARCH ESO ISS PBLA23 END | 26.5 |
| HIERARCH ESO ISS PBL24 START | 82.781 |
| HIERARCH ESO ISS PBL24 END | 83.444 |
| HIERARCH ESO ISS PBLA24 START | 66.669 |
| HIERARCH ESO ISS PBLA24 END | 67.555 |
| HIERARCH ESO ISS PBL34 START | 56.81 |
| HIERARCH ESO ISS PBL34 END | 57.356 |
| HIERARCH ESO ISS PBLA34 START | 98.788 |
| HIERARCH ESO ISS PBLA34 END | 99.393 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002658 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002617 |
| HIERARCH ESO ISS AMBI TEMP | 7.94 |
| HIERARCH ESO ISS AMBI FWHM START | 1.62 |
| HIERARCH ESO ISS AMBI FWHM END | 1.84 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |