Exposure
- ID
- GRAVI.2024-06-25T05:51:53.780_2
- Header ID
- GRAVI.2024-06-25T05:51:53.780
- Date updated
- 2024-06-25 06:05:37 UTC+0000
- Release date
- 2025-06-25 06:05:36 UTC+0000
- UTC Start
- 2024-06-25 05:51:53.780
- UTC End
- 2024-06-25 05:57:13.780
- MJD Start
- 60486.24437245
- MJD End
- 60486.2480761537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001752
- Ambient temperature (°C)
- 8.77
- Seeing (arcsec)
- 1.36
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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 | 54.6390 | 54.4520 | 35.1000 | 35.5000 |
| U1-U3 | 98.1040 | 97.6700 | 41.4000 | 41.8000 |
| U1-U4 | 120.9160 | 119.9010 | 70.6580 | 71.1800 |
| U2-U3 | 44.2120 | 43.9620 | 49.2000 | 49.6000 |
| U2-U4 | 82.8380 | 82.0890 | 93.2360 | 93.9570 |
| U3-U4 | 59.5620 | 59.2170 | 124.2730 | 125.1920 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60486.24437245 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416918 |
| DEC | -29.00728 |
| 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 | 54.639 |
| HIERARCH ESO ISS PBL12 END | 54.452 |
| HIERARCH ESO ISS PBLA12 START | 35.1 |
| HIERARCH ESO ISS PBLA12 END | 35.5 |
| HIERARCH ESO ISS PBL13 START | 98.104 |
| HIERARCH ESO ISS PBL13 END | 97.67 |
| HIERARCH ESO ISS PBLA13 START | 41.4 |
| HIERARCH ESO ISS PBLA13 END | 41.8 |
| HIERARCH ESO ISS PBL14 START | 120.916 |
| HIERARCH ESO ISS PBL14 END | 119.901 |
| HIERARCH ESO ISS PBLA14 START | 70.658 |
| HIERARCH ESO ISS PBLA14 END | 71.18 |
| HIERARCH ESO ISS PBL23 START | 44.212 |
| HIERARCH ESO ISS PBL23 END | 43.962 |
| HIERARCH ESO ISS PBLA23 START | 49.2 |
| HIERARCH ESO ISS PBLA23 END | 49.6 |
| HIERARCH ESO ISS PBL24 START | 82.838 |
| HIERARCH ESO ISS PBL24 END | 82.089 |
| HIERARCH ESO ISS PBLA24 START | 93.236 |
| HIERARCH ESO ISS PBLA24 END | 93.957 |
| HIERARCH ESO ISS PBL34 START | 59.562 |
| HIERARCH ESO ISS PBL34 END | 59.217 |
| HIERARCH ESO ISS PBLA34 START | 124.273 |
| HIERARCH ESO ISS PBLA34 END | 125.192 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001879 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001625 |
| HIERARCH ESO ISS AMBI TEMP | 8.77 |
| HIERARCH ESO ISS AMBI FWHM START | 1.39 |
| HIERARCH ESO ISS AMBI FWHM END | 1.33 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |