Exposure
- ID
- GRAVI.2022-05-20T05:26:05.692_2
- Header ID
- GRAVI.2022-05-20T05:26:05.692
- Date updated
- 2022-05-20 05:40:34 UTC+0000
- Release date
- 2023-05-20 05:40:34 UTC+0000
- UTC Start
- 2022-05-20 05:26:05.692
- UTC End
- 2022-05-20 05:31:25.692
- MJD Start
- 59719.22645477
- MJD End
- 59719.2301584737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0103755
- Ambient temperature (°C)
- 12.95
- Seeing (arcsec)
- 0.345
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 | 56.5290 | 56.5400 | 17.7000 | 18.4000 |
| U1-U3 | 102.2260 | 102.2800 | 23.8000 | 24.5000 |
| U1-U4 | 127.9400 | 128.3330 | 51.1380 | 51.9670 |
| U2-U3 | 46.4070 | 46.4570 | 31.2000 | 32.0000 |
| U2-U4 | 86.5910 | 87.0360 | 72.2400 | 73.0220 |
| U3-U4 | 59.9170 | 60.2770 | 102.8100 | 103.4190 |
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 | 59719.22645477 |
| 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 | 56.529 |
| HIERARCH ESO ISS PBL12 END | 56.54 |
| HIERARCH ESO ISS PBLA12 START | 17.7 |
| HIERARCH ESO ISS PBLA12 END | 18.4 |
| HIERARCH ESO ISS PBL13 START | 102.226 |
| HIERARCH ESO ISS PBL13 END | 102.28 |
| HIERARCH ESO ISS PBLA13 START | 23.8 |
| HIERARCH ESO ISS PBLA13 END | 24.5 |
| HIERARCH ESO ISS PBL14 START | 127.94 |
| HIERARCH ESO ISS PBL14 END | 128.333 |
| HIERARCH ESO ISS PBLA14 START | 51.138 |
| HIERARCH ESO ISS PBLA14 END | 51.967 |
| HIERARCH ESO ISS PBL23 START | 46.407 |
| HIERARCH ESO ISS PBL23 END | 46.457 |
| HIERARCH ESO ISS PBLA23 START | 31.2 |
| HIERARCH ESO ISS PBLA23 END | 32.0 |
| HIERARCH ESO ISS PBL24 START | 86.591 |
| HIERARCH ESO ISS PBL24 END | 87.036 |
| HIERARCH ESO ISS PBLA24 START | 72.24 |
| HIERARCH ESO ISS PBLA24 END | 73.022 |
| HIERARCH ESO ISS PBL34 START | 59.917 |
| HIERARCH ESO ISS PBL34 END | 60.277 |
| HIERARCH ESO ISS PBLA34 START | 102.81 |
| HIERARCH ESO ISS PBLA34 END | 103.419 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009142 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011609 |
| HIERARCH ESO ISS AMBI TEMP | 12.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.31 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |