Exposure
- ID
- GRAVI.2022-06-20T03:49:50.603_2
- Header ID
- GRAVI.2022-06-20T03:49:50.603
- Date updated
- 2022-06-20 13:25:42 UTC+0000
- Release date
- 2023-06-20 13:25:42 UTC+0000
- UTC Start
- 2022-06-20 03:49:50.603
- UTC End
- 2022-06-20 03:55:10.603
- MJD Start
- 59750.15961346
- MJD End
- 59750.1633171637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003102
- Ambient temperature (°C)
- 7.92
- Seeing (arcsec)
- 0.915
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 | 56.5600 | 56.5580 | 20.9000 | 21.6000 |
| U1-U3 | 102.4100 | 102.4270 | 27.1000 | 27.8000 |
| U1-U4 | 129.4400 | 129.6720 | 54.7590 | 55.5240 |
| U2-U3 | 46.5900 | 46.6130 | 34.7000 | 35.4000 |
| U2-U4 | 88.3090 | 88.5870 | 75.6810 | 76.4190 |
| U3-U4 | 61.3230 | 61.5600 | 105.5900 | 106.2200 |
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 | 59750.15961346 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416895 |
| 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 | 56.56 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 20.9 |
| HIERARCH ESO ISS PBLA12 END | 21.6 |
| HIERARCH ESO ISS PBL13 START | 102.41 |
| HIERARCH ESO ISS PBL13 END | 102.427 |
| HIERARCH ESO ISS PBLA13 START | 27.1 |
| HIERARCH ESO ISS PBLA13 END | 27.8 |
| HIERARCH ESO ISS PBL14 START | 129.44 |
| HIERARCH ESO ISS PBL14 END | 129.672 |
| HIERARCH ESO ISS PBLA14 START | 54.759 |
| HIERARCH ESO ISS PBLA14 END | 55.524 |
| HIERARCH ESO ISS PBL23 START | 46.59 |
| HIERARCH ESO ISS PBL23 END | 46.613 |
| HIERARCH ESO ISS PBLA23 START | 34.7 |
| HIERARCH ESO ISS PBLA23 END | 35.4 |
| HIERARCH ESO ISS PBL24 START | 88.309 |
| HIERARCH ESO ISS PBL24 END | 88.587 |
| HIERARCH ESO ISS PBLA24 START | 75.681 |
| HIERARCH ESO ISS PBLA24 END | 76.419 |
| HIERARCH ESO ISS PBL34 START | 61.323 |
| HIERARCH ESO ISS PBL34 END | 61.56 |
| HIERARCH ESO ISS PBLA34 START | 105.59 |
| HIERARCH ESO ISS PBLA34 END | 106.22 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003021 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003183 |
| HIERARCH ESO ISS AMBI TEMP | 7.92 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |