Exposure
- ID
- GRAVI.2024-04-24T07:56:05.141_2
- Header ID
- GRAVI.2024-04-24T07:56:05.141
- Date updated
- 2024-04-24 08:10:36 UTC+0000
- Release date
- 2025-04-24 08:10:36 UTC+0000
- UTC Start
- 2024-04-24 07:56:05.141
- UTC End
- 2024-04-24 08:01:25.141
- MJD Start
- 60424.33061506
- MJD End
- 60424.3343187637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0066545
- Ambient temperature (°C)
- 16.06
- Seeing (arcsec)
- 0.46
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.5260 | 56.5070 | 23.7000 | 24.4000 |
| U1-U3 | 102.4090 | 102.3780 | 30.0000 | 30.7000 |
| U1-U4 | 130.1420 | 130.1970 | 57.9040 | 58.6140 |
| U2-U3 | 46.6400 | 46.6310 | 37.7000 | 38.4000 |
| U2-U4 | 89.2170 | 89.3280 | 78.7520 | 79.4610 |
| U3-U4 | 62.1330 | 62.2530 | 108.2990 | 108.9560 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60424.33061506 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416804 |
| DEC | -29.00734 |
| 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 | 56.526 |
| HIERARCH ESO ISS PBL12 END | 56.507 |
| HIERARCH ESO ISS PBLA12 START | 23.7 |
| HIERARCH ESO ISS PBLA12 END | 24.4 |
| HIERARCH ESO ISS PBL13 START | 102.409 |
| HIERARCH ESO ISS PBL13 END | 102.378 |
| HIERARCH ESO ISS PBLA13 START | 30.0 |
| HIERARCH ESO ISS PBLA13 END | 30.7 |
| HIERARCH ESO ISS PBL14 START | 130.142 |
| HIERARCH ESO ISS PBL14 END | 130.197 |
| HIERARCH ESO ISS PBLA14 START | 57.904 |
| HIERARCH ESO ISS PBLA14 END | 58.614 |
| HIERARCH ESO ISS PBL23 START | 46.64 |
| HIERARCH ESO ISS PBL23 END | 46.631 |
| HIERARCH ESO ISS PBLA23 START | 37.7 |
| HIERARCH ESO ISS PBLA23 END | 38.4 |
| HIERARCH ESO ISS PBL24 START | 89.217 |
| HIERARCH ESO ISS PBL24 END | 89.328 |
| HIERARCH ESO ISS PBLA24 START | 78.752 |
| HIERARCH ESO ISS PBLA24 END | 79.461 |
| HIERARCH ESO ISS PBL34 START | 62.133 |
| HIERARCH ESO ISS PBL34 END | 62.253 |
| HIERARCH ESO ISS PBLA34 START | 108.299 |
| HIERARCH ESO ISS PBLA34 END | 108.956 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006766 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006543 |
| HIERARCH ESO ISS AMBI TEMP | 16.06 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |