Exposure
- ID
- GRAVI.2021-05-31T05:37:58.909_2
- Header ID
- GRAVI.2021-05-31T05:37:58.909
- Date updated
- 2021-05-31 05:51:14 UTC+0000
- Release date
- 2022-05-31 05:51:14 UTC+0000
- UTC Start
- 2021-05-31 05:37:58.909
- UTC End
- 2021-05-31 05:43:18.909
- MJD Start
- 59365.2347096
- MJD End
- 59365.2384133037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030155
- Ambient temperature (°C)
- 10.07
- Seeing (arcsec)
- 0.96
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 56.5040 | 56.4780 | 24.4000 | 25.1000 |
| U1-U3 | 102.3720 | 102.3250 | 30.8000 | 31.4000 |
| U1-U4 | 130.2010 | 130.2060 | 58.6910 | 59.3900 |
| U2-U3 | 46.6290 | 46.6100 | 38.4000 | 39.1000 |
| U2-U4 | 89.3400 | 89.4050 | 79.5380 | 80.2430 |
| U3-U4 | 62.2690 | 62.3590 | 109.0270 | 109.6960 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59365.2347096 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| 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 | 56.504 |
| HIERARCH ESO ISS PBL12 END | 56.478 |
| HIERARCH ESO ISS PBLA12 START | 24.4 |
| HIERARCH ESO ISS PBLA12 END | 25.1 |
| HIERARCH ESO ISS PBL13 START | 102.372 |
| HIERARCH ESO ISS PBL13 END | 102.325 |
| HIERARCH ESO ISS PBLA13 START | 30.8 |
| HIERARCH ESO ISS PBLA13 END | 31.4 |
| HIERARCH ESO ISS PBL14 START | 130.201 |
| HIERARCH ESO ISS PBL14 END | 130.206 |
| HIERARCH ESO ISS PBLA14 START | 58.691 |
| HIERARCH ESO ISS PBLA14 END | 59.39 |
| HIERARCH ESO ISS PBL23 START | 46.629 |
| HIERARCH ESO ISS PBL23 END | 46.61 |
| HIERARCH ESO ISS PBLA23 START | 38.4 |
| HIERARCH ESO ISS PBLA23 END | 39.1 |
| HIERARCH ESO ISS PBL24 START | 89.34 |
| HIERARCH ESO ISS PBL24 END | 89.405 |
| HIERARCH ESO ISS PBLA24 START | 79.538 |
| HIERARCH ESO ISS PBLA24 END | 80.243 |
| HIERARCH ESO ISS PBL34 START | 62.269 |
| HIERARCH ESO ISS PBL34 END | 62.359 |
| HIERARCH ESO ISS PBLA34 START | 109.027 |
| HIERARCH ESO ISS PBLA34 END | 109.696 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003597 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002434 |
| HIERARCH ESO ISS AMBI TEMP | 10.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |