Exposure
- ID
- GRAVI.2021-06-25T05:20:51.573_2
- Header ID
- GRAVI.2021-06-25T05:20:51.573
- Date updated
- 2021-06-25 05:35:14 UTC+0000
- Release date
- 2022-06-25 05:35:13 UTC+0000
- UTC Start
- 2021-06-25 05:20:51.573
- UTC End
- 2021-06-25 05:26:11.573
- MJD Start
- 59390.22281913
- MJD End
- 59390.2265228337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003944
- Ambient temperature (°C)
- 10.23
- Seeing (arcsec)
- 0.735
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- 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 | 55.5060 | 55.3740 | 32.5000 | 33.0000 |
| U1-U3 | 100.1210 | 99.8130 | 38.9000 | 39.4000 |
| U1-U4 | 125.6340 | 124.9150 | 67.6050 | 68.1670 |
| U2-U3 | 45.3780 | 45.2000 | 46.7000 | 47.2000 |
| U2-U4 | 86.3260 | 85.7940 | 89.2950 | 89.9900 |
| U3-U4 | 61.1940 | 60.9440 | 119.4230 | 120.2550 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.22281913 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00706 |
| 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 | 55.506 |
| HIERARCH ESO ISS PBL12 END | 55.374 |
| HIERARCH ESO ISS PBLA12 START | 32.5 |
| HIERARCH ESO ISS PBLA12 END | 33.0 |
| HIERARCH ESO ISS PBL13 START | 100.121 |
| HIERARCH ESO ISS PBL13 END | 99.813 |
| HIERARCH ESO ISS PBLA13 START | 38.9 |
| HIERARCH ESO ISS PBLA13 END | 39.4 |
| HIERARCH ESO ISS PBL14 START | 125.634 |
| HIERARCH ESO ISS PBL14 END | 124.915 |
| HIERARCH ESO ISS PBLA14 START | 67.605 |
| HIERARCH ESO ISS PBLA14 END | 68.167 |
| HIERARCH ESO ISS PBL23 START | 45.378 |
| HIERARCH ESO ISS PBL23 END | 45.2 |
| HIERARCH ESO ISS PBLA23 START | 46.7 |
| HIERARCH ESO ISS PBLA23 END | 47.2 |
| HIERARCH ESO ISS PBL24 START | 86.326 |
| HIERARCH ESO ISS PBL24 END | 85.794 |
| HIERARCH ESO ISS PBLA24 START | 89.295 |
| HIERARCH ESO ISS PBLA24 END | 89.99 |
| HIERARCH ESO ISS PBL34 START | 61.194 |
| HIERARCH ESO ISS PBL34 END | 60.944 |
| HIERARCH ESO ISS PBLA34 START | 119.423 |
| HIERARCH ESO ISS PBLA34 END | 120.255 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003548 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00434 |
| HIERARCH ESO ISS AMBI TEMP | 10.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |