Exposure
- ID
- GRAVI.2022-06-19T03:10:15.107_2
- Header ID
- GRAVI.2022-06-19T03:10:15.107
- Date updated
- 2022-06-19 03:25:32 UTC+0000
- Release date
- 2023-06-19 03:25:32 UTC+0000
- UTC Start
- 2022-06-19 03:10:15.107
- UTC End
- 2022-06-19 03:15:35.107
- MJD Start
- 59749.13211929
- MJD End
- 59749.1358229937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002731
- Ambient temperature (°C)
- 7.56
- Seeing (arcsec)
- 1.665
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 | 56.4820 | 56.4990 | 15.3000 | 16.1000 |
| U1-U3 | 102.0190 | 102.0900 | 21.3000 | 22.1000 |
| U1-U4 | 126.4990 | 126.9890 | 48.4110 | 49.2970 |
| U2-U3 | 46.2200 | 46.2840 | 28.6000 | 29.5000 |
| U2-U4 | 84.9630 | 85.5180 | 69.6870 | 70.5150 |
| U3-U4 | 58.5980 | 59.0480 | 100.9000 | 101.5060 |
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 | 59749.13211929 |
| 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 | 56.482 |
| HIERARCH ESO ISS PBL12 END | 56.499 |
| HIERARCH ESO ISS PBLA12 START | 15.3 |
| HIERARCH ESO ISS PBLA12 END | 16.1 |
| HIERARCH ESO ISS PBL13 START | 102.019 |
| HIERARCH ESO ISS PBL13 END | 102.09 |
| HIERARCH ESO ISS PBLA13 START | 21.3 |
| HIERARCH ESO ISS PBLA13 END | 22.1 |
| HIERARCH ESO ISS PBL14 START | 126.499 |
| HIERARCH ESO ISS PBL14 END | 126.989 |
| HIERARCH ESO ISS PBLA14 START | 48.411 |
| HIERARCH ESO ISS PBLA14 END | 49.297 |
| HIERARCH ESO ISS PBL23 START | 46.22 |
| HIERARCH ESO ISS PBL23 END | 46.284 |
| HIERARCH ESO ISS PBLA23 START | 28.6 |
| HIERARCH ESO ISS PBLA23 END | 29.5 |
| HIERARCH ESO ISS PBL24 START | 84.963 |
| HIERARCH ESO ISS PBL24 END | 85.518 |
| HIERARCH ESO ISS PBLA24 START | 69.687 |
| HIERARCH ESO ISS PBLA24 END | 70.515 |
| HIERARCH ESO ISS PBL34 START | 58.598 |
| HIERARCH ESO ISS PBL34 END | 59.048 |
| HIERARCH ESO ISS PBLA34 START | 100.9 |
| HIERARCH ESO ISS PBLA34 END | 101.506 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003108 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002354 |
| HIERARCH ESO ISS AMBI TEMP | 7.56 |
| HIERARCH ESO ISS AMBI FWHM START | 1.58 |
| HIERARCH ESO ISS AMBI FWHM END | 1.75 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |