Exposure
- ID
- GRAVI.2021-03-28T08:20:47.363_2
- Header ID
- GRAVI.2021-03-28T08:20:47.363
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 08:35:18 UTC+0000
- UTC Start
- 2021-03-28 08:20:47.363
- UTC End
- 2021-03-28 08:26:07.363
- MJD Start
- 59301.3477704
- MJD End
- 59301.3514741037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033595
- Ambient temperature (°C)
- 11.91
- Seeing (arcsec)
- 0.8
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 | 56.4350 | 56.4540 | 13.3000 | 14.1000 |
| U1-U3 | 101.8190 | 101.8990 | 19.2000 | 20.0000 |
| U1-U4 | 125.1070 | 125.6650 | 46.0260 | 46.9650 |
| U2-U3 | 46.0410 | 46.1120 | 26.4000 | 27.3000 |
| U2-U4 | 83.3760 | 84.0160 | 67.4650 | 68.3400 |
| U3-U4 | 57.3010 | 57.8260 | 99.3310 | 99.9390 |
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 | 59301.3477704 |
| 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 | 56.435 |
| HIERARCH ESO ISS PBL12 END | 56.454 |
| HIERARCH ESO ISS PBLA12 START | 13.3 |
| HIERARCH ESO ISS PBLA12 END | 14.1 |
| HIERARCH ESO ISS PBL13 START | 101.819 |
| HIERARCH ESO ISS PBL13 END | 101.899 |
| HIERARCH ESO ISS PBLA13 START | 19.2 |
| HIERARCH ESO ISS PBLA13 END | 20.0 |
| HIERARCH ESO ISS PBL14 START | 125.107 |
| HIERARCH ESO ISS PBL14 END | 125.665 |
| HIERARCH ESO ISS PBLA14 START | 46.026 |
| HIERARCH ESO ISS PBLA14 END | 46.965 |
| HIERARCH ESO ISS PBL23 START | 46.041 |
| HIERARCH ESO ISS PBL23 END | 46.112 |
| HIERARCH ESO ISS PBLA23 START | 26.4 |
| HIERARCH ESO ISS PBLA23 END | 27.3 |
| HIERARCH ESO ISS PBL24 START | 83.376 |
| HIERARCH ESO ISS PBL24 END | 84.016 |
| HIERARCH ESO ISS PBLA24 START | 67.465 |
| HIERARCH ESO ISS PBLA24 END | 68.34 |
| HIERARCH ESO ISS PBL34 START | 57.301 |
| HIERARCH ESO ISS PBL34 END | 57.826 |
| HIERARCH ESO ISS PBLA34 START | 99.331 |
| HIERARCH ESO ISS PBLA34 END | 99.939 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003502 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003217 |
| HIERARCH ESO ISS AMBI TEMP | 11.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |