Exposure
- ID
- GRAVI.2022-06-19T03:23:48.141_2
- Header ID
- GRAVI.2022-06-19T03:23:48.141
- Date updated
- 2022-06-19 03:41:07 UTC+0000
- Release date
- 2023-06-19 03:41:07 UTC+0000
- UTC Start
- 2022-06-19 03:23:48.141
- UTC End
- 2022-06-19 03:29:08.141
- MJD Start
- 59749.14152941
- MJD End
- 59749.1452331137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002545
- Ambient temperature (°C)
- 7.52
- Seeing (arcsec)
- 1.57
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 | 56.5190 | 56.5320 | 17.1000 | 17.8000 |
| U1-U3 | 102.1800 | 102.2390 | 23.2000 | 23.9000 |
| U1-U4 | 127.6150 | 128.0340 | 50.4870 | 51.3330 |
| U2-U3 | 46.3650 | 46.4190 | 30.6000 | 31.4000 |
| U2-U4 | 86.2240 | 86.6980 | 71.6290 | 72.4240 |
| U3-U4 | 59.6200 | 60.0030 | 102.3420 | 102.9530 |
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 | 59749.14152941 |
| 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 | 56.519 |
| HIERARCH ESO ISS PBL12 END | 56.532 |
| HIERARCH ESO ISS PBLA12 START | 17.1 |
| HIERARCH ESO ISS PBLA12 END | 17.8 |
| HIERARCH ESO ISS PBL13 START | 102.18 |
| HIERARCH ESO ISS PBL13 END | 102.239 |
| HIERARCH ESO ISS PBLA13 START | 23.2 |
| HIERARCH ESO ISS PBLA13 END | 23.9 |
| HIERARCH ESO ISS PBL14 START | 127.615 |
| HIERARCH ESO ISS PBL14 END | 128.034 |
| HIERARCH ESO ISS PBLA14 START | 50.487 |
| HIERARCH ESO ISS PBLA14 END | 51.333 |
| HIERARCH ESO ISS PBL23 START | 46.365 |
| HIERARCH ESO ISS PBL23 END | 46.419 |
| HIERARCH ESO ISS PBLA23 START | 30.6 |
| HIERARCH ESO ISS PBLA23 END | 31.4 |
| HIERARCH ESO ISS PBL24 START | 86.224 |
| HIERARCH ESO ISS PBL24 END | 86.698 |
| HIERARCH ESO ISS PBLA24 START | 71.629 |
| HIERARCH ESO ISS PBLA24 END | 72.424 |
| HIERARCH ESO ISS PBL34 START | 59.62 |
| HIERARCH ESO ISS PBL34 END | 60.003 |
| HIERARCH ESO ISS PBLA34 START | 102.342 |
| HIERARCH ESO ISS PBLA34 END | 102.953 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002739 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002351 |
| HIERARCH ESO ISS AMBI TEMP | 7.52 |
| HIERARCH ESO ISS AMBI FWHM START | 1.42 |
| HIERARCH ESO ISS AMBI FWHM END | 1.72 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |