Exposure
- ID
- GRAVI.2022-05-20T06:21:59.833_2
- Header ID
- GRAVI.2022-05-20T06:21:59.833
- Date updated
- 2022-05-20 06:35:54 UTC+0000
- Release date
- 2023-05-20 06:35:54 UTC+0000
- UTC Start
- 2022-05-20 06:21:59.833
- UTC End
- 2022-05-20 06:27:19.833
- MJD Start
- 59719.26527584
- MJD End
- 59719.2689795437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009306
- Ambient temperature (°C)
- 12.88
- Seeing (arcsec)
- 0.45
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 | 56.5050 | 56.4800 | 24.4000 | 25.1000 |
| U1-U3 | 102.3740 | 102.3280 | 30.7000 | 31.4000 |
| U1-U4 | 130.2000 | 130.2070 | 58.6570 | 59.3520 |
| U2-U3 | 46.6300 | 46.6110 | 38.4000 | 39.1000 |
| U2-U4 | 89.3360 | 89.4030 | 79.5040 | 80.2040 |
| U3-U4 | 62.2640 | 62.3550 | 108.9950 | 109.6580 |
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 | 59719.26527584 |
| 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 | 56.505 |
| HIERARCH ESO ISS PBL12 END | 56.48 |
| HIERARCH ESO ISS PBLA12 START | 24.4 |
| HIERARCH ESO ISS PBLA12 END | 25.1 |
| HIERARCH ESO ISS PBL13 START | 102.374 |
| HIERARCH ESO ISS PBL13 END | 102.328 |
| HIERARCH ESO ISS PBLA13 START | 30.7 |
| HIERARCH ESO ISS PBLA13 END | 31.4 |
| HIERARCH ESO ISS PBL14 START | 130.2 |
| HIERARCH ESO ISS PBL14 END | 130.207 |
| HIERARCH ESO ISS PBLA14 START | 58.657 |
| HIERARCH ESO ISS PBLA14 END | 59.352 |
| HIERARCH ESO ISS PBL23 START | 46.63 |
| HIERARCH ESO ISS PBL23 END | 46.611 |
| HIERARCH ESO ISS PBLA23 START | 38.4 |
| HIERARCH ESO ISS PBLA23 END | 39.1 |
| HIERARCH ESO ISS PBL24 START | 89.336 |
| HIERARCH ESO ISS PBL24 END | 89.403 |
| HIERARCH ESO ISS PBLA24 START | 79.504 |
| HIERARCH ESO ISS PBLA24 END | 80.204 |
| HIERARCH ESO ISS PBL34 START | 62.264 |
| HIERARCH ESO ISS PBL34 END | 62.355 |
| HIERARCH ESO ISS PBLA34 START | 108.995 |
| HIERARCH ESO ISS PBLA34 END | 109.658 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009306 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009306 |
| HIERARCH ESO ISS AMBI TEMP | 12.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |