Exposure
- ID
- GRAVI.2021-03-28T08:14:17.346_2
- Header ID
- GRAVI.2021-03-28T08:14:17.346
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 08:30:22 UTC+0000
- UTC Start
- 2021-03-28 08:14:17.346
- UTC End
- 2021-03-28 08:19:37.346
- MJD Start
- 59301.34325632
- MJD End
- 59301.3469600237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034265
- Ambient temperature (°C)
- 11.92
- Seeing (arcsec)
- 0.775
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 | 56.4130 | 56.4320 | 12.5000 | 13.2000 |
| U1-U3 | 101.7270 | 101.8080 | 18.3000 | 19.1000 |
| U1-U4 | 124.4500 | 125.0310 | 44.9420 | 45.8990 |
| U2-U3 | 45.9580 | 46.0310 | 25.4000 | 26.3000 |
| U2-U4 | 82.6170 | 83.2880 | 66.4550 | 67.3460 |
| U3-U4 | 56.6750 | 57.2290 | 98.6440 | 99.2500 |
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 | 59301.34325632 |
| 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 | 56.413 |
| HIERARCH ESO ISS PBL12 END | 56.432 |
| HIERARCH ESO ISS PBLA12 START | 12.5 |
| HIERARCH ESO ISS PBLA12 END | 13.2 |
| HIERARCH ESO ISS PBL13 START | 101.727 |
| HIERARCH ESO ISS PBL13 END | 101.808 |
| HIERARCH ESO ISS PBLA13 START | 18.3 |
| HIERARCH ESO ISS PBLA13 END | 19.1 |
| HIERARCH ESO ISS PBL14 START | 124.45 |
| HIERARCH ESO ISS PBL14 END | 125.031 |
| HIERARCH ESO ISS PBLA14 START | 44.942 |
| HIERARCH ESO ISS PBLA14 END | 45.899 |
| HIERARCH ESO ISS PBL23 START | 45.958 |
| HIERARCH ESO ISS PBL23 END | 46.031 |
| HIERARCH ESO ISS PBLA23 START | 25.4 |
| HIERARCH ESO ISS PBLA23 END | 26.3 |
| HIERARCH ESO ISS PBL24 START | 82.617 |
| HIERARCH ESO ISS PBL24 END | 83.288 |
| HIERARCH ESO ISS PBLA24 START | 66.455 |
| HIERARCH ESO ISS PBLA24 END | 67.346 |
| HIERARCH ESO ISS PBL34 START | 56.675 |
| HIERARCH ESO ISS PBL34 END | 57.229 |
| HIERARCH ESO ISS PBLA34 START | 98.644 |
| HIERARCH ESO ISS PBLA34 END | 99.25 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003485 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003368 |
| HIERARCH ESO ISS AMBI TEMP | 11.92 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |