Exposure
- ID
- GRAVI.2021-03-28T07:42:38.266_2
- Header ID
- GRAVI.2021-03-28T07:42:38.266
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 07:55:24 UTC+0000
- UTC Start
- 2021-03-28 07:42:38.266
- UTC End
- 2021-03-28 07:47:58.266
- MJD Start
- 59301.32127623
- MJD End
- 59301.3249799337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040195
- Ambient temperature (°C)
- 12.34
- Seeing (arcsec)
- 0.735
Observation
- ID
- 47323
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35487
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076493888889
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 | 56.3130 | 56.3290 | 8.0000 | 8.9000 |
| U1-U3 | 101.2720 | 101.3520 | 13.5000 | 14.4000 |
| U1-U4 | 120.9310 | 121.5960 | 39.2700 | 40.3430 |
| U2-U3 | 45.5330 | 45.6100 | 20.3000 | 21.2000 |
| U2-U4 | 78.4170 | 79.2310 | 61.1300 | 62.1450 |
| U3-U4 | 53.1150 | 53.8190 | 95.2430 | 95.8660 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59301.32127623 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416976 |
| DEC | -29.00714 |
| 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 | 56.313 |
| HIERARCH ESO ISS PBL12 END | 56.329 |
| HIERARCH ESO ISS PBLA12 START | 8.0 |
| HIERARCH ESO ISS PBLA12 END | 8.9 |
| HIERARCH ESO ISS PBL13 START | 101.272 |
| HIERARCH ESO ISS PBL13 END | 101.352 |
| HIERARCH ESO ISS PBLA13 START | 13.5 |
| HIERARCH ESO ISS PBLA13 END | 14.4 |
| HIERARCH ESO ISS PBL14 START | 120.931 |
| HIERARCH ESO ISS PBL14 END | 121.596 |
| HIERARCH ESO ISS PBLA14 START | 39.27 |
| HIERARCH ESO ISS PBLA14 END | 40.343 |
| HIERARCH ESO ISS PBL23 START | 45.533 |
| HIERARCH ESO ISS PBL23 END | 45.61 |
| HIERARCH ESO ISS PBLA23 START | 20.3 |
| HIERARCH ESO ISS PBLA23 END | 21.2 |
| HIERARCH ESO ISS PBL24 START | 78.417 |
| HIERARCH ESO ISS PBL24 END | 79.231 |
| HIERARCH ESO ISS PBLA24 START | 61.13 |
| HIERARCH ESO ISS PBLA24 END | 62.145 |
| HIERARCH ESO ISS PBL34 START | 53.115 |
| HIERARCH ESO ISS PBL34 END | 53.819 |
| HIERARCH ESO ISS PBLA34 START | 95.243 |
| HIERARCH ESO ISS PBLA34 END | 95.866 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003594 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004445 |
| HIERARCH ESO ISS AMBI TEMP | 12.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |